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Vulnerability Details :

CVE-2025-11719

Summary
Assigner-mozilla
Assigner Org ID-f16b083a-5664-49f3-a51e-8d479e5ed7fe
Published At-14 Oct, 2025 | 12:27
Updated At-13 Apr, 2026 | 14:31
Rejected At-
Credits

Use-after-free caused by the native messaging web extension API on Windows

Starting in Thunderbird 143, the use of the native messaging API by web extensions on Windows could lead to crashes caused by use-after-free memory corruption. This vulnerability was fixed in Firefox 144 and Thunderbird 144.

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)
â–ŒCommon Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mozilla
Assigner Org ID:f16b083a-5664-49f3-a51e-8d479e5ed7fe
Published At:14 Oct, 2025 | 12:27
Updated At:13 Apr, 2026 | 14:31
Rejected At:
â–ŒCVE Numbering Authority (CNA)
Use-after-free caused by the native messaging web extension API on Windows

Starting in Thunderbird 143, the use of the native messaging API by web extensions on Windows could lead to crashes caused by use-after-free memory corruption. This vulnerability was fixed in Firefox 144 and Thunderbird 144.

Affected Products
Vendor
Mozilla CorporationMozilla
Product
Firefox
Versions
Unaffected
  • From 144 through * (rpm)
Vendor
Mozilla CorporationMozilla
Product
Thunderbird
Versions
Unaffected
  • From 144 through * (rpm)
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Filip Ć tamcar
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://bugzilla.mozilla.org/show_bug.cgi?id=1991950
N/A
https://www.mozilla.org/security/advisories/mfsa2025-81/
N/A
https://www.mozilla.org/security/advisories/mfsa2025-84/
N/A
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1991950
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-81/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-84/
Resource: N/A
â–ŒAuthorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
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
3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
â–ŒNational Vulnerability Database (NVD)
nvd.nist.gov
Source:security@mozilla.org
Published At:14 Oct, 2025 | 13:15
Updated At:13 Apr, 2026 | 15:16

Starting in Thunderbird 143, the use of the native messaging API by web extensions on Windows could lead to crashes caused by use-after-free memory corruption. This vulnerability was fixed in Firefox 144 and Thunderbird 144.

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
Primary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Secondary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CPE Matches
Mozilla Corporation
mozilla
>>firefox>>Versions from 143.0(inclusive) to 144.0(exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Mozilla Corporation
mozilla
>>thunderbird>>Versions from 143.0(inclusive) to 144.0(exclusive)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows>>-
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-416Primarynvd@nist.gov
CWE-416Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-416
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-416
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://bugzilla.mozilla.org/show_bug.cgi?id=1991950security@mozilla.org
Issue Tracking
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2025-81/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-84/security@mozilla.org
Vendor Advisory
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1991950
Source: security@mozilla.org
Resource:
Issue Tracking
Permissions Required
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-81/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-84/
Source: security@mozilla.org
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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CVSS Score-9.8||CRITICAL
EPSS-30.10% / 96.77%
||
7 Day CHG~0.00%
Published-20 Aug, 2019 | 19:51
Updated-04 Aug, 2024 | 21:02
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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CWE ID-CWE-416
Use After Free
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Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-9.8||CRITICAL
EPSS-5.27% / 90.19%
||
7 Day CHG~0.00%
Published-17 Oct, 2019 | 20:25
Updated-04 Aug, 2024 | 21:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Product-acrobat_dcwindowsmacosacrobat_reader_dcAdobe Acrobat and Reader
CWE ID-CWE-416
Use After Free
CVE-2019-8025
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-9.8||CRITICAL
EPSS-30.10% / 96.77%
||
7 Day CHG~0.00%
Published-20 Aug, 2019 | 19:47
Updated-04 Aug, 2024 | 21:02
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Action-Not Available
Vendor-Apple Inc.Microsoft CorporationAdobe Inc.
Product-acrobat_dcwindowsmacosacrobat_reader_dcAdobe Acrobat and Reader
CWE ID-CWE-416
Use After Free
CVE-2019-8061
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-9.8||CRITICAL
EPSS-30.10% / 96.77%
||
7 Day CHG~0.00%
Published-20 Aug, 2019 | 20:08
Updated-04 Aug, 2024 | 21:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Action-Not Available
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EPSS-30.10% / 96.77%
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Published-20 Aug, 2019 | 19:51
Updated-04 Aug, 2024 | 21:02
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Adobe Acrobat and Reader versions 2019.012.20035 and earlier, 2019.012.20035 and earlier, 2017.011.30142 and earlier, 2017.011.30143 and earlier, 2015.006.30497 and earlier, and 2015.006.30498 and earlier have an use after free vulnerability. Successful exploitation could lead to arbitrary code execution .

Action-Not Available
Vendor-Apple Inc.Microsoft CorporationAdobe Inc.
Product-acrobat_dcwindowsmacosacrobat_reader_dcAdobe Acrobat and Reader
CWE ID-CWE-416
Use After Free
CVE-2019-8047
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-9.8||CRITICAL
EPSS-30.10% / 96.77%
||
7 Day CHG~0.00%
Published-20 Aug, 2019 | 19:58
Updated-04 Aug, 2024 | 21:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Adobe Acrobat and Reader versions 2019.012.20035 and earlier, 2019.012.20035 and earlier, 2017.011.30142 and earlier, 2017.011.30143 and earlier, 2015.006.30497 and earlier, and 2015.006.30498 and earlier have an use after free vulnerability. Successful exploitation could lead to arbitrary code execution .

Action-Not Available
Vendor-Apple Inc.Microsoft CorporationAdobe Inc.
Product-acrobat_dcwindowsmacosacrobat_reader_dcAdobe Acrobat and Reader
CWE ID-CWE-416
Use After Free
CVE-2019-8215
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-9.8||CRITICAL
EPSS-5.27% / 90.19%
||
7 Day CHG~0.00%
Published-17 Oct, 2019 | 20:25
Updated-04 Aug, 2024 | 21:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Adobe Acrobat and Reader versions , 2019.012.20040 and earlier, 2017.011.30148 and earlier, 2017.011.30148 and earlier, 2015.006.30503 and earlier, and 2015.006.30503 and earlier have an use after free vulnerability. Successful exploitation could lead to arbitrary code execution .

Action-Not Available
Vendor-Apple Inc.Microsoft CorporationAdobe Inc.
Product-acrobat_dcwindowsmacosacrobat_reader_dcAdobe Acrobat and Reader
CWE ID-CWE-416
Use After Free
CVE-2019-8221
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-9.8||CRITICAL
EPSS-5.27% / 90.19%
||
7 Day CHG~0.00%
Published-17 Oct, 2019 | 20:26
Updated-04 Aug, 2024 | 21:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Adobe Acrobat and Reader versions , 2019.012.20040 and earlier, 2017.011.30148 and earlier, 2017.011.30148 and earlier, 2015.006.30503 and earlier, and 2015.006.30503 and earlier have an use after free vulnerability. Successful exploitation could lead to arbitrary code execution .

Action-Not Available
Vendor-Apple Inc.Microsoft CorporationAdobe Inc.
Product-acrobat_dcwindowsmacosacrobat_reader_dcAdobe Acrobat and Reader
CWE ID-CWE-416
Use After Free
CVE-2019-8214
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-9.8||CRITICAL
EPSS-5.27% / 90.19%
||
7 Day CHG~0.00%
Published-17 Oct, 2019 | 20:25
Updated-04 Aug, 2024 | 21:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Adobe Acrobat and Reader versions , 2019.012.20040 and earlier, 2017.011.30148 and earlier, 2017.011.30148 and earlier, 2015.006.30503 and earlier, and 2015.006.30503 and earlier have an use after free vulnerability. Successful exploitation could lead to arbitrary code execution .

Action-Not Available
Vendor-Apple Inc.Microsoft CorporationAdobe Inc.
Product-acrobat_dcwindowsmacosacrobat_reader_dcAdobe Acrobat and Reader
CWE ID-CWE-416
Use After Free
CVE-2025-21307
Matching Score-10
Assigner-Microsoft Corporation
ShareView Details
Matching Score-10
Assigner-Microsoft Corporation
CVSS Score-9.8||CRITICAL
EPSS-14.05% / 94.50%
||
7 Day CHG+3.28%
Published-14 Jan, 2025 | 18:04
Updated-09 Jun, 2026 | 18:29
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability

Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_1607windows_10_1809windows_server_2008windows_11_24h2windows_11_22h2windows_server_2012windows_server_2016windows_server_2022windows_server_2022_23h2windows_10_21h2windows_10_1507windows_server_2019windows_10_22h2windows_server_2025windows_11_23h2Windows 11 Version 23H2Windows Server 2008 R2 Service Pack 1 (Server Core installation)Windows Server 2016Windows 10 Version 1607Windows Server 2019 (Server Core installation)Windows Server 2019Windows Server 2012 R2 (Server Core installation)Windows Server 2008 R2 Service Pack 1Windows 10 Version 21H2Windows 10 Version 1507Windows 11 Version 24H2Windows Server 2008 Service Pack 2 (Server Core installation)Windows 11 version 22H3Windows Server 2008 Service Pack 2Windows Server 2016 (Server Core installation)Windows Server 2025 (Server Core installation)Windows 10 Version 1809Windows Server 2012 (Server Core installation)Windows Server 2022, 23H2 Edition (Server Core installation)Windows 11 version 22H2Windows Server 2025Windows Server 2022Windows Server 2012Windows 10 Version 22H2Windows Server 2012 R2
CWE ID-CWE-416
Use After Free
CVE-2025-21298
Matching Score-10
Assigner-Microsoft Corporation
ShareView Details
Matching Score-10
Assigner-Microsoft Corporation
CVSS Score-9.8||CRITICAL
EPSS-78.03% / 99.03%
||
7 Day CHG+3.34%
Published-14 Jan, 2025 | 18:03
Updated-09 Jun, 2026 | 18:28
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows OLE Remote Code Execution Vulnerability

Windows OLE Remote Code Execution Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_1607windows_10_1809windows_server_2008windows_11_24h2windows_11_22h2windows_server_2012windows_server_2016windows_server_2022windows_server_2022_23h2windows_10_21h2windows_10_1507windows_server_2019windows_10_22h2windows_server_2025windows_11_23h2Windows 11 Version 23H2Windows Server 2008 R2 Service Pack 1 (Server Core installation)Windows Server 2016Windows 10 Version 1607Windows Server 2019 (Server Core installation)Windows Server 2019Windows Server 2012 R2 (Server Core installation)Windows Server 2008 R2 Service Pack 1Windows 10 Version 21H2Windows 10 Version 1507Windows 11 Version 24H2Windows Server 2008 Service Pack 2 (Server Core installation)Windows 11 version 22H3Windows Server 2008 Service Pack 2Windows Server 2016 (Server Core installation)Windows Server 2025 (Server Core installation)Windows 10 Version 1809Windows Server 2012 (Server Core installation)Windows Server 2022, 23H2 Edition (Server Core installation)Windows 11 version 22H2Windows Server 2025Windows Server 2022Windows Server 2012Windows 10 Version 22H2Windows Server 2012 R2
CWE ID-CWE-416
Use After Free
CVE-2019-7096
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-9.8||CRITICAL
EPSS-6.77% / 91.49%
||
7 Day CHG~0.00%
Published-23 May, 2019 | 16:55
Updated-04 Aug, 2024 | 20:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Adobe Flash Player versions 32.0.0.156 and earlier, 32.0.0.156 and earlier, and 32.0.0.156 and earlier have an use after free vulnerability. Successful exploitation could lead to arbitrary code execution.

Action-Not Available
Vendor-Google LLCAdobe Inc.Apple Inc.Microsoft CorporationLinux Kernel Organization, Inc
Product-linux_kernelwindows_8.1chrome_osmac_os_xwindowsflash_player_desktop_runtimewindows_10flash_playerAdobe Flash Player
CWE ID-CWE-416
Use After Free
CVE-2025-14860
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.06% / 20.19%
||
7 Day CHG~0.00%
Published-18 Dec, 2025 | 14:21
Updated-13 Apr, 2026 | 15:16
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 in the Disability Access APIs component

Use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 146.0.1.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxFirefox
CWE ID-CWE-416
Use After Free
CVE-2023-23392
Matching Score-10
Assigner-Microsoft Corporation
ShareView Details
Matching Score-10
Assigner-Microsoft Corporation
CVSS Score-9.8||CRITICAL
EPSS-14.46% / 94.58%
||
7 Day CHG~0.00%
Published-14 Mar, 2023 | 16:55
Updated-01 Jan, 2025 | 00:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
HTTP Protocol Stack Remote Code Execution Vulnerability

HTTP Protocol Stack Remote Code Execution Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_11_21h2windows_11_22h2windows_server_2022Windows Server 2022Windows 11 version 22H2Windows 11 version 21H2
CWE ID-CWE-416
Use After Free
CVE-2025-14321
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.09% / 24.85%
||
7 Day CHG~0.00%
Published-09 Dec, 2025 | 13:37
Updated-13 Apr, 2026 | 15:16
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 in the WebRTC: Signaling component

Use-after-free in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefox
CWE ID-CWE-416
Use After Free
CVE-2025-1012
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.43% / 62.77%
||
7 Day CHG~0.00%
Published-04 Feb, 2025 | 13:58
Updated-13 Apr, 2026 | 15:16
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 during concurrent delazification

A race during concurrent delazification could have led to a use-after-free. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefox
CWE ID-CWE-416
Use After Free
CVE-2025-11708
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.09% / 25.53%
||
7 Day CHG~0.00%
Published-14 Oct, 2025 | 12:27
Updated-13 Apr, 2026 | 15:16
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 in MediaTrackGraphImpl::GetInstance()

Use-after-free in MediaTrackGraphImpl::GetInstance(). This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefox
CWE ID-CWE-416
Use After Free
CVE-2026-4696
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.03% / 9.21%
||
7 Day CHG~0.00%
Published-24 Mar, 2026 | 12:30
Updated-07 May, 2026 | 14:52
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 in the Layout: Text and Fonts component

Use-after-free in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxFirefoxThunderbird
CWE ID-CWE-416
Use After Free
CVE-2026-4701
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.03% / 7.68%
||
7 Day CHG~0.00%
Published-24 Mar, 2026 | 12:30
Updated-12 May, 2026 | 16:54
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 in the JavaScript Engine component

Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxFirefoxThunderbird
CWE ID-CWE-416
Use After Free
CVE-2026-4711
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.03% / 7.68%
||
7 Day CHG~0.00%
Published-24 Mar, 2026 | 12:30
Updated-13 Apr, 2026 | 15:17
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 in the Widget: Cocoa component

Use-after-free in the Widget: Cocoa component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxThunderbirdFirefox
CWE ID-CWE-416
Use After Free
CVE-2026-4691
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.04% / 12.07%
||
7 Day CHG~0.00%
Published-24 Mar, 2026 | 12:30
Updated-07 May, 2026 | 14:50
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 in the CSS Parsing and Computation component

Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxFirefoxThunderbird
CWE ID-CWE-416
Use After Free
CVE-2026-4723
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.02% / 6.60%
||
7 Day CHG~0.00%
Published-24 Mar, 2026 | 12:30
Updated-13 Apr, 2026 | 15:17
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 in the JavaScript Engine component

Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxThunderbirdFirefox
CWE ID-CWE-416
Use After Free
CVE-2024-9680
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-30.81% / 96.83%
||
7 Day CHG~0.00%
Published-09 Oct, 2024 | 12:59
Updated-04 Nov, 2025 | 14:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Known KEV||Action Due Date - 2024-11-05||Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

An attacker was able to achieve code execution in the content process by exploiting a use-after-free in Animation timelines. We have had reports of this vulnerability being exploited in the wild. This vulnerability affects Firefox < 131.0.2, Firefox ESR < 128.3.1, Firefox ESR < 115.16.1, Thunderbird < 131.0.1, Thunderbird < 128.3.1, and Thunderbird < 115.16.0.

Action-Not Available
Vendor-Mozilla CorporationDebian GNU/Linux
Product-firefoxdebian_linuxthunderbirdFirefoxFirefox ESRThunderbirdfirefoxfirefox_esrthunderbirdFirefox
CWE ID-CWE-416
Use After Free
CVE-2022-46882
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.36% / 58.70%
||
7 Day CHG~0.00%
Published-22 Dec, 2022 | 00:00
Updated-15 Apr, 2025 | 15:16
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 in WebGL extensions could have led to a potentially exploitable crash. This vulnerability affects Firefox < 107, Firefox ESR < 102.6, and Thunderbird < 102.6.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefox_esrthunderbirdfirefoxThunderbirdFirefox ESRFirefox
CWE ID-CWE-416
Use After Free
CVE-2024-8384
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.32% / 55.50%
||
7 Day CHG~0.00%
Published-03 Sep, 2024 | 12:32
Updated-04 Nov, 2025 | 17:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The JavaScript garbage collector could mis-color cross-compartment objects if OOM conditions were detected at the right point between two passes. This could have led to memory corruption. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, Firefox ESR < 115.15, Thunderbird < 128.2, and Thunderbird < 115.15.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxfirefox_esrFirefoxFirefox ESRThunderbirdfirefoxfirefox_esr
CWE ID-CWE-416
Use After Free
CWE ID-CWE-787
Out-of-bounds Write
CVE-2024-7528
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.24% / 47.04%
||
7 Day CHG~0.00%
Published-06 Aug, 2024 | 12:38
Updated-12 Aug, 2024 | 16:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Incorrect garbage collection interaction in IndexedDB could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 128.1, and Thunderbird < 128.1.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdfirefox_esrFirefoxFirefox ESRThunderbirdfirefoxthunderbirdfirefox_esr
CWE ID-CWE-416
Use After Free
CVE-2024-7530
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.54% / 67.97%
||
7 Day CHG~0.00%
Published-06 Aug, 2024 | 12:38
Updated-12 Aug, 2024 | 16:09
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Incorrect garbage collection interaction could have led to a use-after-free. This vulnerability affects Firefox < 129.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxFirefoxfirefox
CWE ID-CWE-416
Use After Free
CVE-2021-31166
Matching Score-10
Assigner-Microsoft Corporation
ShareView Details
Matching Score-10
Assigner-Microsoft Corporation
CVSS Score-9.8||CRITICAL
EPSS-93.07% / 99.80%
||
7 Day CHG~0.00%
Published-11 May, 2021 | 19:11
Updated-30 Oct, 2025 | 19:55
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Known KEV||Action Due Date - 2022-04-27||Apply updates per vendor instructions.
HTTP Protocol Stack Remote Code Execution Vulnerability

HTTP Protocol Stack Remote Code Execution Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2004windows_10_2004windows_10_20h2windows_server_20h2Windows 10 Version 2004Windows 10 Version 20H2Windows Server version 20H2Windows Server version 2004HTTP Protocol Stack
CWE ID-CWE-416
Use After Free
CVE-2022-34470
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.65% / 71.12%
||
7 Day CHG~0.00%
Published-22 Dec, 2022 | 00:00
Updated-15 Apr, 2025 | 19:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Session history navigations may have led to a use-after-free and potentially exploitable crash. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefox_esrthunderbirdfirefoxThunderbirdFirefox ESRFirefox
CWE ID-CWE-416
Use After Free
CVE-2022-45406
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.42% / 62.23%
||
7 Day CHG~0.00%
Published-22 Dec, 2022 | 00:00
Updated-15 Apr, 2025 | 15:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseShape. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefox_esrthunderbirdfirefoxThunderbirdFirefox ESRFirefox
CWE ID-CWE-416
Use After Free
CVE-2022-31747
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.66% / 71.45%
||
7 Day CHG~0.00%
Published-22 Dec, 2022 | 00:00
Updated-15 Apr, 2025 | 19:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Mozilla developers Andrew McCreight, Nicolas B. Pierron, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 100 and Firefox ESR 91.9. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefox_esrthunderbirdfirefoxThunderbirdFirefox ESRFirefox
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-125
Out-of-bounds Read
CWE ID-CWE-416
Use After Free
CWE ID-CWE-787
Out-of-bounds Write
CVE-2019-16459
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-9.8||CRITICAL
EPSS-4.79% / 89.70%
||
7 Day CHG~0.00%
Published-19 Dec, 2019 | 14:56
Updated-05 Aug, 2024 | 01:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Adobe Acrobat and Reader versions , 2019.021.20056 and earlier, 2017.011.30152 and earlier, 2017.011.30155 and earlier version, 2017.011.30152 and earlier, and 2015.006.30505 and earlier have an use after free vulnerability. Successful exploitation could lead to arbitrary code execution .

Action-Not Available
Vendor-Apple Inc.Microsoft CorporationAdobe Inc.
Product-acrobat_dcwindowsmacosacrobat_reader_dcAdobe Acrobat and Reader
CWE ID-CWE-416
Use After Free
CVE-2019-16445
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-9.8||CRITICAL
EPSS-4.79% / 89.70%
||
7 Day CHG~0.00%
Published-19 Dec, 2019 | 14:31
Updated-05 Aug, 2024 | 01:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Adobe Acrobat and Reader versions , 2019.021.20056 and earlier, 2017.011.30152 and earlier, 2017.011.30155 and earlier version, 2017.011.30152 and earlier, and 2015.006.30505 and earlier have an use after free vulnerability. Successful exploitation could lead to arbitrary code execution .

Action-Not Available
Vendor-Apple Inc.Microsoft CorporationAdobe Inc.
Product-acrobat_dcwindowsmacosacrobat_reader_dcAdobe Acrobat and Reader
CWE ID-CWE-416
Use After Free
CVE-2019-16452
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-9.8||CRITICAL
EPSS-5.66% / 90.56%
||
7 Day CHG~0.00%
Published-19 Dec, 2019 | 14:46
Updated-05 Aug, 2024 | 01:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Adobe Acrobat and Reader versions , 2019.021.20056 and earlier, 2017.011.30152 and earlier, 2017.011.30155 and earlier version, 2017.011.30152 and earlier, and 2015.006.30505 and earlier have an use after free vulnerability. Successful exploitation could lead to arbitrary code execution .

Action-Not Available
Vendor-Apple Inc.Microsoft CorporationAdobe Inc.
Product-acrobat_dcwindowsmacosacrobat_reader_dcAdobe Acrobat and Reader
CWE ID-CWE-416
Use After Free
CVE-2019-7088
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-9.8||CRITICAL
EPSS-1.86% / 83.42%
||
7 Day CHG~0.00%
Published-23 May, 2019 | 16:59
Updated-04 Aug, 2024 | 20:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Adobe Acrobat and Reader versions 2019.010.20098 and earlier, 2019.010.20098 and earlier, 2017.011.30127 and earlier version, and 2015.006.30482 and earlier have an use after free vulnerability. Successful exploitation could lead to arbitrary code execution .

Action-Not Available
Vendor-Apple Inc.Microsoft CorporationAdobe Inc.
Product-mac_os_xacrobat_dcwindowsacrobat_reader_dcAdobe Acrobat and Reader
CWE ID-CWE-416
Use After Free
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