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Vulnerability Details :

CVE-2021-34840

Summary
Assigner-zdi
Assigner Org ID-99f1926a-a320-47d8-bbb5-42feb611262e
Published At-04 Aug, 2021 | 15:16
Updated At-04 Aug, 2024 | 00:26
Rejected At-
Credits

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14021.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:zdi
Assigner Org ID:99f1926a-a320-47d8-bbb5-42feb611262e
Published At:04 Aug, 2021 | 15:16
Updated At:04 Aug, 2024 | 00:26
Rejected At:
▼CVE Numbering Authority (CNA)

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14021.

Affected Products
Vendor
Foxit Software IncorporatedFoxit
Product
PDF Reader
Versions
Affected
  • 11.0.0.49893
Problem Types
TypeCWE IDDescription
CWECWE-416CWE-416: Use After Free
Type: CWE
CWE ID: CWE-416
Description: CWE-416: Use After Free
Metrics
VersionBase scoreBase severityVector
3.07.8HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Version: 3.0
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Mat Powell of Trend Micro Zero Day Initiative
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://www.foxit.com/support/security-bulletins.html
x_refsource_MISC
https://www.zerodayinitiative.com/advisories/ZDI-21-922/
x_refsource_MISC
Hyperlink: https://www.foxit.com/support/security-bulletins.html
Resource:
x_refsource_MISC
Hyperlink: https://www.zerodayinitiative.com/advisories/ZDI-21-922/
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://www.foxit.com/support/security-bulletins.html
x_refsource_MISC
x_transferred
https://www.zerodayinitiative.com/advisories/ZDI-21-922/
x_refsource_MISC
x_transferred
Hyperlink: https://www.foxit.com/support/security-bulletins.html
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://www.zerodayinitiative.com/advisories/ZDI-21-922/
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:zdi-disclosures@trendmicro.com
Published At:04 Aug, 2021 | 16:15
Updated At:08 Feb, 2022 | 18:30

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14021.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Secondary3.07.8HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary2.06.8MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P
Type: Primary
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.0
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 6.8
Base severity: MEDIUM
Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P
CPE Matches

Microsoft Corporation
microsoft
>>windows>>-
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Foxit Software Incorporated
foxit
>>pdf_reader>>Versions up to 11.0.0.49893(inclusive)
cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*
Foxit Software Incorporated
foxitsoftware
>>pdf_editor>>Versions up to 10.1.4.37651(inclusive)
cpe:2.3:a:foxitsoftware:pdf_editor:*:*:*:*:*:*:*:*
Foxit Software Incorporated
foxitsoftware
>>pdf_editor>>11.0.0.49893
cpe:2.3:a:foxitsoftware:pdf_editor:11.0.0.49893:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-416Primaryzdi-disclosures@trendmicro.com
CWE ID: CWE-416
Type: Primary
Source: zdi-disclosures@trendmicro.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://www.foxit.com/support/security-bulletins.htmlzdi-disclosures@trendmicro.com
Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-922/zdi-disclosures@trendmicro.com
Third Party Advisory
VDB Entry
Hyperlink: https://www.foxit.com/support/security-bulletins.html
Source: zdi-disclosures@trendmicro.com
Resource:
Vendor Advisory
Hyperlink: https://www.zerodayinitiative.com/advisories/ZDI-21-922/
Source: zdi-disclosures@trendmicro.com
Resource:
Third Party Advisory
VDB Entry

Change History

0
Information is not available yet

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Vendor-n/aMicrosoft CorporationFoxit Software Incorporated
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CWE ID-CWE-416
Use After Free
CVE-2021-41784
Matching Score-10
Assigner-MITRE Corporation
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Matching Score-10
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CVSS Score-7.8||HIGH
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Published-29 Aug, 2022 | 04:54
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Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Foxit PDF Reader before 11.1 and PDF Editor before 11.1, and PhantomPDF before 10.1.6, allow attackers to trigger a use-after-free and execute arbitrary code because JavaScript is mishandled.

Action-Not Available
Vendor-n/aMicrosoft CorporationFoxit Software Incorporated
Product-phantompdfpdf_editorwindowspdf_readern/a
CWE ID-CWE-416
Use After Free
CVE-2021-41781
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-7.8||HIGH
EPSS-0.13% / 33.11%
||
7 Day CHG~0.00%
Published-29 Aug, 2022 | 04:54
Updated-04 Aug, 2024 | 03:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Foxit PDF Reader before 11.1 and PDF Editor before 11.1, and PhantomPDF before 10.1.6, allow attackers to trigger a use-after-free and execute arbitrary code because JavaScript is mishandled.

Action-Not Available
Vendor-n/aMicrosoft CorporationFoxit Software Incorporated
Product-phantompdfpdf_editorwindowspdf_readern/a
CWE ID-CWE-416
Use After Free
CVE-2021-41783
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-7.8||HIGH
EPSS-0.13% / 33.11%
||
7 Day CHG~0.00%
Published-29 Aug, 2022 | 04:54
Updated-04 Aug, 2024 | 03:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Foxit PDF Reader before 11.1 and PDF Editor before 11.1, and PhantomPDF before 10.1.6, allow attackers to trigger a use-after-free and execute arbitrary code because JavaScript is mishandled.

Action-Not Available
Vendor-n/aMicrosoft CorporationFoxit Software Incorporated
Product-phantompdfpdf_editorwindowspdf_readern/a
CWE ID-CWE-416
Use After Free
CVE-2015-7617
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-6.8||MEDIUM
EPSS-2.16% / 83.60%
||
7 Day CHG~0.00%
Published-14 Oct, 2015 | 23:00
Updated-12 Apr, 2025 | 10:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader DC Continuous before 2015.009.20069 on Windows and OS X allows attackers to execute arbitrary code by leveraging improper EScript exception handling, a different vulnerability than CVE-2015-5586, CVE-2015-6683, CVE-2015-6684, CVE-2015-6687, CVE-2015-6688, CVE-2015-6689, CVE-2015-6690, CVE-2015-6691, CVE-2015-7615, and CVE-2015-7621.

Action-Not Available
Vendor-n/aApple Inc.Adobe Inc.Microsoft Corporation
Product-acrobat_reader_dcacrobat_readermacosacrobat_dcwindowsacrobatn/a
CWE ID-CWE-416
Use After Free
CVE-2015-7619
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-6.8||MEDIUM
EPSS-2.49% / 84.71%
||
7 Day CHG~0.00%
Published-14 Oct, 2015 | 23:00
Updated-12 Apr, 2025 | 10:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The ANShareFile2 method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader DC Continuous before 2015.009.20069 on Windows and OS X allows attackers to bypass JavaScript API execution restrictions via unspecified vectors, a different vulnerability than CVE-2015-6707, CVE-2015-6708, CVE-2015-6709, CVE-2015-6710, CVE-2015-6711, CVE-2015-6712, CVE-2015-6713, CVE-2015-6714, CVE-2015-6715, CVE-2015-6716, CVE-2015-6717, CVE-2015-6718, CVE-2015-6719, CVE-2015-6720, CVE-2015-6721, CVE-2015-6722, CVE-2015-6723, CVE-2015-6724, CVE-2015-6725, CVE-2015-7614, CVE-2015-7616, CVE-2015-7618, CVE-2015-7620, and CVE-2015-7623.

Action-Not Available
Vendor-n/aApple Inc.Adobe Inc.Microsoft Corporation
Product-acrobat_reader_dcacrobat_readermacosacrobat_dcwindowsacrobatn/a
CWE ID-CWE-416
Use After Free
CVE-2021-41785
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-7.8||HIGH
EPSS-0.13% / 33.11%
||
7 Day CHG~0.00%
Published-29 Aug, 2022 | 04:53
Updated-04 Aug, 2024 | 03:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Foxit PDF Reader before 11.1 and PDF Editor before 11.1, and PhantomPDF before 10.1.6, allow attackers to trigger a use-after-free and execute arbitrary code because JavaScript is mishandled.

Action-Not Available
Vendor-n/aMicrosoft CorporationFoxit Software Incorporated
Product-phantompdfpdf_editorwindowspdf_readern/a
CWE ID-CWE-416
Use After Free
CVE-2021-40420
Matching Score-10
Assigner-Talos
ShareView Details
Matching Score-10
Assigner-Talos
CVSS Score-8.8||HIGH
EPSS-0.60% / 68.59%
||
7 Day CHG~0.00%
Published-04 Feb, 2022 | 22:29
Updated-15 Apr, 2025 | 19:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 11.1.0.52543. A specially-crafted PDF document can trigger the reuse of previously freed memory, which can lead to arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially-crafted, malicious site if the browser plugin extension is enabled.

Action-Not Available
Vendor-n/aFoxit Software Incorporated
Product-pdf_readerFoxit
CWE ID-CWE-416
Use After Free
CVE-2021-40726
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-7.8||HIGH
EPSS-20.85% / 95.40%
||
7 Day CHG~0.00%
Published-07 Oct, 2021 | 15:07
Updated-17 Sep, 2024 | 01:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Adobe Acrobat Reader DC AcroForm Field Use-After-Free Remote Code Execution Vulnerability

Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a use-after-free vulnerability when processing AcroForm field that could result in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

Action-Not Available
Vendor-Apple Inc.Microsoft CorporationAdobe Inc.
Product-acrobat_dcwindowsmacosacrobat_reader_dcAcrobat Reader
CWE ID-CWE-416
Use After Free
CVE-2021-39840
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-7.8||HIGH
EPSS-56.99% / 98.05%
||
7 Day CHG~0.00%
Published-29 Sep, 2021 | 15:37
Updated-16 Sep, 2024 | 20:12
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Adobe Acrobat Reader DC AcroForm Field Use-After-Free Remote Code Execution Vulnerability

Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a use-after-free vulnerability when processing AcroForms that could result in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

Action-Not Available
Vendor-Apple Inc.Microsoft CorporationAdobe Inc.
Product-acrobat_dcacrobat_readeracrobatacrobat_reader_dcwindowsmacosAcrobat Reader
CWE ID-CWE-416
Use After Free
CVE-2021-39837
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-7.8||HIGH
EPSS-56.99% / 98.05%
||
7 Day CHG~0.00%
Published-29 Sep, 2021 | 15:37
Updated-16 Sep, 2024 | 22:45
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Adobe Acrobat Reader DC AcroForm deleteItemAt Use-After-Free Remote Code Execution Vulnerability

Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a use-after-free vulnerability in the processing of the AcroForm deleteItemAt action that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Action-Not Available
Vendor-Apple Inc.Microsoft CorporationAdobe Inc.
Product-acrobat_dcacrobat_readeracrobatacrobat_reader_dcwindowsmacosAcrobat Reader
CWE ID-CWE-416
Use After Free
CVE-2021-40728
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-7.8||HIGH
EPSS-12.12% / 93.54%
||
7 Day CHG~0.00%
Published-15 Oct, 2021 | 14:22
Updated-23 Apr, 2025 | 19:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Adobe Acrobat Reader DC Use After Free Arbitrary Code Execution

Adobe Acrobat Reader DC version 21.007.20095 (and earlier), 21.007.20096 (and earlier), 20.004.30015 (and earlier), and 17.011.30202 (and earlier) is affected by a use-after-free vulnerability in the processing of the GetURL function on a global object window that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Action-Not Available
Vendor-Adobe Inc.Apple Inc.Microsoft Corporation
Product-acrobat_dcacrobat_readeracrobatacrobat_reader_dcwindowsmacosAcrobat Reader
CWE ID-CWE-416
Use After Free
CVE-2015-6689
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-6.8||MEDIUM
EPSS-2.43% / 84.53%
||
7 Day CHG~0.00%
Published-14 Oct, 2015 | 23:00
Updated-12 Apr, 2025 | 10:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader DC Continuous before 2015.009.20069 on Windows and OS X allows attackers to execute arbitrary code via a crafted WillSave document action, a different vulnerability than CVE-2015-5586, CVE-2015-6683, CVE-2015-6684, CVE-2015-6687, CVE-2015-6688, CVE-2015-6690, CVE-2015-6691, CVE-2015-7615, CVE-2015-7617, and CVE-2015-7621.

Action-Not Available
Vendor-n/aApple Inc.Adobe Inc.Microsoft Corporation
Product-acrobat_reader_dcacrobat_readermacosacrobat_dcwindowsacrobatn/a
CWE ID-CWE-416
Use After Free
CVE-2015-6690
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-6.8||MEDIUM
EPSS-2.16% / 83.60%
||
7 Day CHG~0.00%
Published-14 Oct, 2015 | 23:00
Updated-12 Apr, 2025 | 10:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Use-after-free vulnerability in the popUpMenuEx method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader DC Continuous before 2015.009.20069 on Windows and OS X allows attackers to execute arbitrary code via crafted arguments, a different vulnerability than CVE-2015-5586, CVE-2015-6683, CVE-2015-6684, CVE-2015-6687, CVE-2015-6688, CVE-2015-6689, CVE-2015-6691, CVE-2015-7615, CVE-2015-7617, and CVE-2015-7621.

Action-Not Available
Vendor-n/aApple Inc.Adobe Inc.Microsoft Corporation
Product-acrobat_reader_dcacrobat_readermacosacrobat_dcwindowsacrobatn/a
CWE ID-CWE-416
Use After Free
CVE-2021-38655
Matching Score-10
Assigner-Microsoft Corporation
ShareView Details
Matching Score-10
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-7.00% / 91.08%
||
7 Day CHG~0.00%
Published-15 Sep, 2021 | 11:24
Updated-04 Aug, 2024 | 01:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Microsoft Excel Remote Code Execution Vulnerability

Microsoft Excel Remote Code Execution Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-office_web_appsoffice_online_serverofficeexcel365_appsMicrosoft Excel 2016Microsoft 365 Apps for EnterpriseMicrosoft Excel 2013 Service Pack 1Microsoft Office Online ServerMicrosoft Office Web Apps Server 2013 Service Pack 1Microsoft Office 2019Microsoft Office 2019 for Mac
CWE ID-CWE-416
Use After Free
CVE-2015-5111
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-6.8||MEDIUM
EPSS-2.27% / 83.99%
||
7 Day CHG~0.00%
Published-15 Jul, 2015 | 14:00
Updated-12 Apr, 2025 | 10:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC Classic before 2015.006.30060, and Acrobat and Acrobat Reader DC Continuous before 2015.008.20082 on Windows and OS X allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2015-4448, CVE-2015-5095, CVE-2015-5099, CVE-2015-5101, CVE-2015-5113, and CVE-2015-5114.

Action-Not Available
Vendor-n/aApple Inc.Adobe Inc.Microsoft Corporation
Product-acrobat_reader_dcacrobat_readermacosacrobat_dcwindowsacrobatn/a
CWE ID-CWE-416
Use After Free
CVE-2015-5113
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-6.8||MEDIUM
EPSS-2.27% / 83.99%
||
7 Day CHG~0.00%
Published-15 Jul, 2015 | 14:00
Updated-12 Apr, 2025 | 10:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC Classic before 2015.006.30060, and Acrobat and Acrobat Reader DC Continuous before 2015.008.20082 on Windows and OS X allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2015-4448, CVE-2015-5095, CVE-2015-5099, CVE-2015-5101, CVE-2015-5111, and CVE-2015-5114.

Action-Not Available
Vendor-n/aApple Inc.Adobe Inc.Microsoft Corporation
Product-acrobat_reader_dcacrobat_readermacosacrobat_dcwindowsacrobatn/a
CWE ID-CWE-416
Use After Free
CVE-2021-34849
Matching Score-10
Assigner-Zero Day Initiative
ShareView Details
Matching Score-10
Assigner-Zero Day Initiative
CVSS Score-7.8||HIGH
EPSS-2.17% / 83.63%
||
7 Day CHG~0.00%
Published-04 Aug, 2021 | 15:16
Updated-04 Aug, 2024 | 00:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14531.

Action-Not Available
Vendor-Microsoft CorporationFoxit Software Incorporated
Product-pdf_readerpdf_editorwindowsPDF Reader
CWE ID-CWE-416
Use After Free
CVE-2021-34831
Matching Score-10
Assigner-Zero Day Initiative
ShareView Details
Matching Score-10
Assigner-Zero Day Initiative
CVSS Score-7.8||HIGH
EPSS-0.97% / 75.67%
||
7 Day CHG~0.00%
Published-04 Aug, 2021 | 15:16
Updated-04 Aug, 2024 | 00:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 10.1.4.37651. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Document objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-13741.

Action-Not Available
Vendor-Microsoft CorporationFoxit Software Incorporated
Product-pdf_readerpdf_editorwindowsReader
CWE ID-CWE-416
Use After Free
CVE-2023-51549
Matching Score-10
Assigner-Zero Day Initiative
ShareView Details
Matching Score-10
Assigner-Zero Day Initiative
CVSS Score-7.8||HIGH
EPSS-1.11% / 77.26%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:14
Updated-13 Aug, 2025 | 16:03
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Foxit PDF Reader AcroForm Doc Object Use-After-Free Remote Code Execution Vulnerability

Foxit PDF Reader AcroForm Doc Object Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Doc objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-21867.

Action-Not Available
Vendor-Foxit Software IncorporatedMicrosoft Corporation
Product-pdf_readerpdf_editorwindowsPDF Readerpdf_reader
CWE ID-CWE-416
Use After Free
CVE-2021-34836
Matching Score-10
Assigner-Zero Day Initiative
ShareView Details
Matching Score-10
Assigner-Zero Day Initiative
CVSS Score-7.8||HIGH
EPSS-2.17% / 83.63%
||
7 Day CHG~0.00%
Published-04 Aug, 2021 | 15:16
Updated-04 Aug, 2024 | 00:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14017.

Action-Not Available
Vendor-Microsoft CorporationFoxit Software Incorporated
Product-pdf_readerpdf_editorwindowsPDF Reader
CWE ID-CWE-416
Use After Free
CVE-2021-34958
Matching Score-10
Assigner-Zero Day Initiative
ShareView Details
Matching Score-10
Assigner-Zero Day Initiative
CVSS Score-7.8||HIGH
EPSS-2.33% / 84.21%
||
7 Day CHG~0.00%
Published-07 May, 2024 | 22:54
Updated-13 Aug, 2025 | 15:56
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Foxit PDF Editor Text Annotation Use-After-Free Remote Code Execution Vulnerability

Foxit PDF Editor Text Annotation Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Editor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14359.

Action-Not Available
Vendor-Foxit Software IncorporatedMicrosoft Corporation
Product-pdf_readerpdf_editorwindowsPDF Editorphantompdfpdf_editorpdf_reader
CWE ID-CWE-416
Use After Free
CVE-2021-34956
Matching Score-10
Assigner-Zero Day Initiative
ShareView Details
Matching Score-10
Assigner-Zero Day Initiative
CVSS Score-7.8||HIGH
EPSS-2.33% / 84.21%
||
7 Day CHG~0.00%
Published-07 May, 2024 | 22:54
Updated-13 Aug, 2025 | 15:56
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Foxit PDF Editor Underline Annotation Use-After-Free Remote Code Execution Vulnerability

Foxit PDF Editor Underline Annotation Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Editor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14357.

Action-Not Available
Vendor-Foxit Software IncorporatedMicrosoft Corporation
Product-pdf_readerpdf_editorwindowsPDF Editorphantompdfpdf_editorpdf_reader
CWE ID-CWE-416
Use After Free
CVE-2021-34844
Matching Score-10
Assigner-Zero Day Initiative
ShareView Details
Matching Score-10
Assigner-Zero Day Initiative
CVSS Score-7.8||HIGH
EPSS-2.17% / 83.63%
||
7 Day CHG~0.00%
Published-04 Aug, 2021 | 15:16
Updated-04 Aug, 2024 | 00:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14033.

Action-Not Available
Vendor-Microsoft CorporationFoxit Software Incorporated
Product-pdf_readerpdf_editorwindowsPDF Reader
CWE ID-CWE-416
Use After Free
CVE-2021-34835
Matching Score-10
Assigner-Zero Day Initiative
ShareView Details
Matching Score-10
Assigner-Zero Day Initiative
CVSS Score-7.8||HIGH
EPSS-2.17% / 83.63%
||
7 Day CHG~0.00%
Published-04 Aug, 2021 | 15:16
Updated-04 Aug, 2024 | 00:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14015.

Action-Not Available
Vendor-Microsoft CorporationFoxit Software Incorporated
Product-pdf_readerpdf_editorwindowsPDF Reader
CWE ID-CWE-416
Use After Free
CVE-2021-34832
Matching Score-10
Assigner-Zero Day Initiative
ShareView Details
Matching Score-10
Assigner-Zero Day Initiative
CVSS Score-7.8||HIGH
EPSS-2.17% / 83.63%
||
7 Day CHG~0.00%
Published-04 Aug, 2021 | 15:16
Updated-04 Aug, 2024 | 00:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of the delay property. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-13928.

Action-Not Available
Vendor-Microsoft CorporationFoxit Software Incorporated
Product-pdf_readerpdf_editorwindowsPDF Reader
CWE ID-CWE-416
Use After Free
CVE-2021-34839
Matching Score-10
Assigner-Zero Day Initiative
ShareView Details
Matching Score-10
Assigner-Zero Day Initiative
CVSS Score-7.8||HIGH
EPSS-2.17% / 83.63%
||
7 Day CHG~0.00%
Published-04 Aug, 2021 | 15:16
Updated-04 Aug, 2024 | 00:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14020.

Action-Not Available
Vendor-Microsoft CorporationFoxit Software Incorporated
Product-pdf_readerpdf_editorwindowsPDF Reader
CWE ID-CWE-416
Use After Free
CVE-2021-34846
Matching Score-10
Assigner-Zero Day Initiative
ShareView Details
Matching Score-10
Assigner-Zero Day Initiative
CVSS Score-7.8||HIGH
EPSS-2.17% / 83.63%
||
7 Day CHG~0.00%
Published-04 Aug, 2021 | 15:16
Updated-04 Aug, 2024 | 00:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14120.

Action-Not Available
Vendor-Microsoft CorporationFoxit Software Incorporated
Product-pdf_readerpdf_editorwindowsPDF Reader
CWE ID-CWE-416
Use After Free
CVE-2021-34837
Matching Score-10
Assigner-Zero Day Initiative
ShareView Details
Matching Score-10
Assigner-Zero Day Initiative
CVSS Score-7.8||HIGH
EPSS-2.17% / 83.63%
||
7 Day CHG~0.00%
Published-04 Aug, 2021 | 15:16
Updated-04 Aug, 2024 | 00:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14018.

Action-Not Available
Vendor-Microsoft CorporationFoxit Software Incorporated
Product-pdf_readerpdf_editorwindowsPDF Reader
CWE ID-CWE-416
Use After Free
CVE-2021-34841
Matching Score-10
Assigner-Zero Day Initiative
ShareView Details
Matching Score-10
Assigner-Zero Day Initiative
CVSS Score-7.8||HIGH
EPSS-2.17% / 83.63%
||
7 Day CHG~0.00%
Published-04 Aug, 2021 | 15:16
Updated-04 Aug, 2024 | 00:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14022.

Action-Not Available
Vendor-Microsoft CorporationFoxit Software Incorporated
Product-pdf_readerpdf_editorwindowsPDF Reader
CWE ID-CWE-416
Use After Free
CVE-2021-34853
Matching Score-10
Assigner-Zero Day Initiative
ShareView Details
Matching Score-10
Assigner-Zero Day Initiative
CVSS Score-7.8||HIGH
EPSS-2.17% / 83.63%
||
7 Day CHG~0.00%
Published-04 Aug, 2021 | 15:16
Updated-04 Aug, 2024 | 00:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14013.

Action-Not Available
Vendor-Microsoft CorporationFoxit Software Incorporated
Product-pdf_readerpdf_editorwindowsPDF Reader
CWE ID-CWE-416
Use After Free
CVE-2021-34848
Matching Score-10
Assigner-Zero Day Initiative
ShareView Details
Matching Score-10
Assigner-Zero Day Initiative
CVSS Score-7.8||HIGH
EPSS-2.17% / 83.63%
||
7 Day CHG~0.00%
Published-04 Aug, 2021 | 15:16
Updated-04 Aug, 2024 | 00:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14532.

Action-Not Available
Vendor-Microsoft CorporationFoxit Software Incorporated
Product-pdf_readerpdf_editorwindowsPDF Reader
CWE ID-CWE-416
Use After Free
CVE-2021-34833
Matching Score-10
Assigner-Zero Day Initiative
ShareView Details
Matching Score-10
Assigner-Zero Day Initiative
CVSS Score-7.8||HIGH
EPSS-3.53% / 87.19%
||
7 Day CHG~0.00%
Published-04 Aug, 2021 | 15:16
Updated-04 Aug, 2024 | 00:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14023.

Action-Not Available
Vendor-Microsoft CorporationFoxit Software Incorporated
Product-pdf_readerpdf_editorwindowsPDF Reader
CWE ID-CWE-416
Use After Free
CVE-2023-51552
Matching Score-10
Assigner-Zero Day Initiative
ShareView Details
Matching Score-10
Assigner-Zero Day Initiative
CVSS Score-7.8||HIGH
EPSS-1.27% / 78.66%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:14
Updated-13 Aug, 2025 | 15:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Foxit PDF Reader AcroForm Signature Use-After-Free Remote Code Execution Vulnerability

Foxit PDF Reader AcroForm Signature Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Signature objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-22007.

Action-Not Available
Vendor-Foxit Software IncorporatedMicrosoft Corporation
Product-pdf_readerpdf_editorwindowsPDF Readerpdf_editor
CWE ID-CWE-416
Use After Free
CVE-2021-34967
Matching Score-10
Assigner-Zero Day Initiative
ShareView Details
Matching Score-10
Assigner-Zero Day Initiative
CVSS Score-7.8||HIGH
EPSS-2.33% / 84.21%
||
7 Day CHG~0.00%
Published-07 May, 2024 | 22:54
Updated-13 Aug, 2025 | 15:58
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Foxit PDF Editor Line Annotation Use-After-Free Remote Code Execution Vulnerability

Foxit PDF Editor Line Annotation Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Editor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14368.

Action-Not Available
Vendor-Foxit Software IncorporatedMicrosoft Corporation
Product-pdf_readerpdf_editorwindowsPDF Editorpdf_editor
CWE ID-CWE-416
Use After Free
CVE-2021-34965
Matching Score-10
Assigner-Zero Day Initiative
ShareView Details
Matching Score-10
Assigner-Zero Day Initiative
CVSS Score-7.8||HIGH
EPSS-2.33% / 84.21%
||
7 Day CHG~0.00%
Published-07 May, 2024 | 22:54
Updated-13 Aug, 2025 | 15:58
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Foxit PDF Editor Squiggly Annotation Use-After-Free Remote Code Execution Vulnerability

Foxit PDF Editor Squiggly Annotation Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Editor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14361.

Action-Not Available
Vendor-Foxit Software IncorporatedMicrosoft Corporation
Product-pdf_readerpdf_editorwindowsPDF Editorpdf_editor
CWE ID-CWE-416
Use After Free
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