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Vulnerability Details :

CVE-2021-43535

Summary
Assigner-mozilla
Assigner Org ID-f16b083a-5664-49f3-a51e-8d479e5ed7fe
Published At-08 Dec, 2021 | 21:20
Updated At-04 Aug, 2024 | 03:55
Rejected At-
Credits

A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.3, and Firefox ESR < 91.3.

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:mozilla
Assigner Org ID:f16b083a-5664-49f3-a51e-8d479e5ed7fe
Published At:08 Dec, 2021 | 21:20
Updated At:04 Aug, 2024 | 03:55
Rejected At:
▼CVE Numbering Authority (CNA)

A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.3, and Firefox ESR < 91.3.

Affected Products
Vendor
Mozilla CorporationMozilla
Product
Firefox
Versions
Affected
  • From unspecified before 93 (custom)
Vendor
Mozilla CorporationMozilla
Product
Thunderbird
Versions
Affected
  • From unspecified before 91.3 (custom)
Vendor
Mozilla CorporationMozilla
Product
Firefox ESR
Versions
Affected
  • From unspecified before 91.3 (custom)
Problem Types
TypeCWE IDDescription
textN/AUse-after-free in HTTP2 Session object
Type: text
CWE ID: N/A
Description: Use-after-free in HTTP2 Session object
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.mozilla.org/security/advisories/mfsa2021-43/
x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2021-49/
x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2021-50/
x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=1667102
x_refsource_MISC
https://www.debian.org/security/2021/dsa-5026
vendor-advisory
x_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html
mailing-list
x_refsource_MLIST
https://www.debian.org/security/2022/dsa-5034
vendor-advisory
x_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html
mailing-list
x_refsource_MLIST
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-43/
Resource:
x_refsource_MISC
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-49/
Resource:
x_refsource_MISC
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-50/
Resource:
x_refsource_MISC
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1667102
Resource:
x_refsource_MISC
Hyperlink: https://www.debian.org/security/2021/dsa-5026
Resource:
vendor-advisory
x_refsource_DEBIAN
Hyperlink: https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html
Resource:
mailing-list
x_refsource_MLIST
Hyperlink: https://www.debian.org/security/2022/dsa-5034
Resource:
vendor-advisory
x_refsource_DEBIAN
Hyperlink: https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html
Resource:
mailing-list
x_refsource_MLIST
▼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.mozilla.org/security/advisories/mfsa2021-43/
x_refsource_MISC
x_transferred
https://www.mozilla.org/security/advisories/mfsa2021-49/
x_refsource_MISC
x_transferred
https://www.mozilla.org/security/advisories/mfsa2021-50/
x_refsource_MISC
x_transferred
https://bugzilla.mozilla.org/show_bug.cgi?id=1667102
x_refsource_MISC
x_transferred
https://www.debian.org/security/2021/dsa-5026
vendor-advisory
x_refsource_DEBIAN
x_transferred
https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html
mailing-list
x_refsource_MLIST
x_transferred
https://www.debian.org/security/2022/dsa-5034
vendor-advisory
x_refsource_DEBIAN
x_transferred
https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html
mailing-list
x_refsource_MLIST
x_transferred
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-43/
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-49/
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-50/
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1667102
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://www.debian.org/security/2021/dsa-5026
Resource:
vendor-advisory
x_refsource_DEBIAN
x_transferred
Hyperlink: https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html
Resource:
mailing-list
x_refsource_MLIST
x_transferred
Hyperlink: https://www.debian.org/security/2022/dsa-5034
Resource:
vendor-advisory
x_refsource_DEBIAN
x_transferred
Hyperlink: https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html
Resource:
mailing-list
x_refsource_MLIST
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@mozilla.org
Published At:08 Dec, 2021 | 22:15
Updated At:17 Mar, 2022 | 19:58

A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.3, and Firefox ESR < 91.3.

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
Primary3.18.8HIGH
CVSS:3.1/AV:N/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: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/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

Mozilla Corporation
mozilla
>>firefox>>Versions before 93.0(exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Mozilla Corporation
mozilla
>>firefox_esr>>Versions before 91.3.0(exclusive)
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Mozilla Corporation
mozilla
>>thunderbird>>Versions before 91.3.0(exclusive)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Debian GNU/Linux
debian
>>debian_linux>>9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Debian GNU/Linux
debian
>>debian_linux>>10.0
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Debian GNU/Linux
debian
>>debian_linux>>11.0
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-416Primarynvd@nist.gov
CWE ID: CWE-416
Type: Primary
Source: nvd@nist.gov
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://bugzilla.mozilla.org/show_bug.cgi?id=1667102security@mozilla.org
Issue Tracking
Permissions Required
Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00030.htmlsecurity@mozilla.org
Mailing List
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/01/msg00001.htmlsecurity@mozilla.org
Mailing List
Third Party Advisory
https://www.debian.org/security/2021/dsa-5026security@mozilla.org
Third Party Advisory
https://www.debian.org/security/2022/dsa-5034security@mozilla.org
Issue Tracking
Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2021-43/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-49/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-50/security@mozilla.org
Vendor Advisory
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1667102
Source: security@mozilla.org
Resource:
Issue Tracking
Permissions Required
Vendor Advisory
Hyperlink: https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html
Source: security@mozilla.org
Resource:
Mailing List
Third Party Advisory
Hyperlink: https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html
Source: security@mozilla.org
Resource:
Mailing List
Third Party Advisory
Hyperlink: https://www.debian.org/security/2021/dsa-5026
Source: security@mozilla.org
Resource:
Third Party Advisory
Hyperlink: https://www.debian.org/security/2022/dsa-5034
Source: security@mozilla.org
Resource:
Issue Tracking
Third Party Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-43/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-49/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-50/
Source: security@mozilla.org
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-1.41% / 79.72%
||
7 Day CHG~0.00%
Published-02 Nov, 2021 | 21:05
Updated-04 Aug, 2024 | 01:30
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 Network APIs in Google Chrome prior to 95.0.4638.54 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Google LLCDebian GNU/Linux
Product-chromedebian_linuxChrome
CWE ID-CWE-416
Use After Free
CVE-2021-38002
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-9.6||CRITICAL
EPSS-0.83% / 73.55%
||
7 Day CHG~0.00%
Published-23 Nov, 2021 | 21:30
Updated-04 Aug, 2024 | 01:30
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 Web Transport in Google Chrome prior to 95.0.4638.69 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

Action-Not Available
Vendor-Fedora ProjectGoogle LLCDebian GNU/Linux
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2021-37957
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-0.39% / 59.30%
||
7 Day CHG~0.00%
Published-08 Oct, 2021 | 21:30
Updated-04 Aug, 2024 | 01:30
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 WebGPU in Google Chrome prior to 94.0.4606.54 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Fedora ProjectGoogle LLCDebian GNU/Linux
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2021-37993
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-1.41% / 79.72%
||
7 Day CHG~0.00%
Published-02 Nov, 2021 | 21:05
Updated-04 Aug, 2024 | 01:30
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 PDF Accessibility in Google Chrome prior to 95.0.4638.54 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Google LLCDebian GNU/Linux
Product-chromedebian_linuxChrome
CWE ID-CWE-416
Use After Free
CVE-2021-37970
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-2.50% / 84.73%
||
7 Day CHG~0.00%
Published-08 Oct, 2021 | 21:30
Updated-04 Aug, 2024 | 01:30
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 File System API in Google Chrome prior to 94.0.4606.54 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Fedora ProjectGoogle LLCDebian GNU/Linux
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2023-6510
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-1.04% / 76.55%
||
7 Day CHG~0.00%
Published-06 Dec, 2023 | 01:19
Updated-13 Feb, 2025 | 17:26
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 Media Capture in Google Chrome prior to 120.0.6099.62 allowed a remote attacker who convinced a user to engage in specific UI interaction to potentially exploit heap corruption via specific UI interaction. (Chromium security severity: Medium)

Action-Not Available
Vendor-Debian GNU/LinuxFedora ProjectGoogle LLC
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2021-37959
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-0.10% / 28.66%
||
7 Day CHG~0.00%
Published-08 Oct, 2021 | 21:30
Updated-04 Aug, 2024 | 01:30
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 Task Manager in Google Chrome prior to 94.0.4606.54 allowed an attacker who convinced a user to enage in a series of user gestures to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Fedora ProjectGoogle LLCDebian GNU/Linux
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2021-37961
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-0.64% / 69.55%
||
7 Day CHG~0.00%
Published-08 Oct, 2021 | 21:30
Updated-04 Aug, 2024 | 01:30
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 Tab Strip in Google Chrome prior to 94.0.4606.54 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Fedora ProjectGoogle LLCDebian GNU/Linux
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2023-5852
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-0.56% / 67.16%
||
7 Day CHG~0.00%
Published-01 Nov, 2023 | 17:14
Updated-29 Apr, 2025 | 21:15
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 Printing in Google Chrome prior to 119.0.6045.105 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via specific UI gestures. (Chromium security severity: Medium)

Action-Not Available
Vendor-Google LLCFedora ProjectDebian GNU/Linux
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2021-38006
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-1.21% / 78.14%
||
7 Day CHG~0.00%
Published-23 Dec, 2021 | 00:05
Updated-04 Aug, 2024 | 01:30
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 storage foundation in Google Chrome prior to 96.0.4664.45 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Fedora ProjectGoogle LLCDebian GNU/Linux
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2021-37988
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-1.09% / 77.07%
||
7 Day CHG~0.00%
Published-02 Nov, 2021 | 21:05
Updated-04 Aug, 2024 | 01:30
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 Profiles in Google Chrome prior to 95.0.4638.54 allowed a remote attacker who convinced a user to engage in specific gestures to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Google LLCDebian GNU/Linux
Product-chromedebian_linuxChrome
CWE ID-CWE-416
Use After Free
CVE-2021-37998
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-1.19% / 78.00%
||
7 Day CHG~0.00%
Published-23 Nov, 2021 | 21:30
Updated-04 Aug, 2024 | 01:30
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 Garbage Collection in Google Chrome prior to 95.0.4638.69 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Fedora ProjectGoogle LLCDebian GNU/Linux
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2023-5997
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-0.80% / 73.08%
||
7 Day CHG~0.00%
Published-15 Nov, 2023 | 17:19
Updated-13 Feb, 2025 | 17:26
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 Garbage Collection in Google Chrome prior to 119.0.6045.159 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Action-Not Available
Vendor-Debian GNU/LinuxFedora ProjectGoogle LLC
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2021-37962
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-0.59% / 68.13%
||
7 Day CHG~0.00%
Published-08 Oct, 2021 | 21:30
Updated-04 Aug, 2024 | 01:30
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 Performance Manager in Google Chrome prior to 94.0.4606.54 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Fedora ProjectGoogle LLCDebian GNU/Linux
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2021-38005
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-1.42% / 79.78%
||
7 Day CHG~0.00%
Published-23 Dec, 2021 | 00:05
Updated-04 Aug, 2024 | 01:30
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 loader in Google Chrome prior to 96.0.4664.45 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Fedora ProjectGoogle LLCDebian GNU/Linux
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2023-5472
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-0.70% / 71.17%
||
7 Day CHG~0.00%
Published-25 Oct, 2023 | 16:14
Updated-01 May, 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

Use after free in Profiles in Google Chrome prior to 118.0.5993.117 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Action-Not Available
Vendor-Google LLCFedora ProjectDebian GNU/Linux
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2021-37977
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-0.77% / 72.50%
||
7 Day CHG~0.00%
Published-02 Nov, 2021 | 20:25
Updated-04 Aug, 2024 | 01:30
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 Garbage Collection in Google Chrome prior to 94.0.4606.81 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Fedora ProjectGoogle LLCDebian GNU/Linux
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2021-37973
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-9.6||CRITICAL
EPSS-19.20% / 95.13%
||
7 Day CHG~0.00%
Published-08 Oct, 2021 | 21:40
Updated-30 Jul, 2025 | 01:37
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 - 2021-11-17||Apply updates per vendor instructions.

Use after free in Portals in Google Chrome prior to 94.0.4606.61 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Action-Not Available
Vendor-Google LLCFedora ProjectDebian GNU/Linux
Product-fedoradebian_linuxchromeChromeChromium Portals
CWE ID-CWE-416
Use After Free
CVE-2023-5854
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-0.56% / 67.16%
||
7 Day CHG~0.00%
Published-01 Nov, 2023 | 17:14
Updated-29 Apr, 2025 | 21:15
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 Profiles in Google Chrome prior to 119.0.6045.105 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via specific UI gestures. (Chromium security severity: Medium)

Action-Not Available
Vendor-Google LLCFedora ProjectDebian GNU/Linux
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2021-38011
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-0.89% / 74.63%
||
7 Day CHG~0.00%
Published-23 Dec, 2021 | 00:05
Updated-04 Aug, 2024 | 01:30
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 storage foundation in Google Chrome prior to 96.0.4664.45 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Fedora ProjectGoogle LLCDebian GNU/Linux
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2023-5996
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-0.34% / 56.20%
||
7 Day CHG~0.00%
Published-08 Nov, 2023 | 19:18
Updated-13 Feb, 2025 | 17:26
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 WebAudio in Google Chrome prior to 119.0.6045.123 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Action-Not Available
Vendor-Debian GNU/LinuxFedora ProjectGoogle LLC
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2021-37956
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-0.48% / 64.18%
||
7 Day CHG~0.00%
Published-08 Oct, 2021 | 21:30
Updated-04 Aug, 2024 | 01:30
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 Offline use in Google Chrome on Android prior to 94.0.4606.54 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Fedora ProjectGoogle LLCDebian GNU/Linux
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2021-37983
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-1.31% / 78.97%
||
7 Day CHG~0.00%
Published-02 Nov, 2021 | 21:05
Updated-04 Aug, 2024 | 01:30
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 Dev Tools in Google Chrome prior to 95.0.4638.54 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Google LLCDebian GNU/Linux
Product-chromedebian_linuxChrome
CWE ID-CWE-416
Use After Free
CVE-2023-6112
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-18.31% / 94.96%
||
7 Day CHG~0.00%
Published-15 Nov, 2023 | 17:19
Updated-13 Feb, 2025 | 17:26
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 Navigation in Google Chrome prior to 119.0.6045.159 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Action-Not Available
Vendor-Debian GNU/LinuxFedora ProjectGoogle LLC
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2023-6207
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.49% / 64.65%
||
7 Day CHG+0.02%
Published-21 Nov, 2023 | 14:28
Updated-13 Feb, 2025 | 17:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Ownership mismanagement led to a use-after-free in ReadableByteStreams This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

Action-Not Available
Vendor-Debian GNU/LinuxMozilla Corporation
Product-firefoxthunderbirddebian_linuxfirefox_esrFirefox ESRFirefoxThunderbird
CWE ID-CWE-416
Use After Free
CVE-2023-5855
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-0.56% / 67.16%
||
7 Day CHG~0.00%
Published-01 Nov, 2023 | 17:14
Updated-29 Apr, 2025 | 21:15
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 Reading Mode in Google Chrome prior to 119.0.6045.105 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via specific UI gestures. (Chromium security severity: Medium)

Action-Not Available
Vendor-Google LLCFedora ProjectDebian GNU/Linux
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2023-5218
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-0.26% / 48.92%
||
7 Day CHG~0.00%
Published-11 Oct, 2023 | 22:28
Updated-30 Apr, 2025 | 21:15
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 Site Isolation in Google Chrome prior to 118.0.5993.70 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)

Action-Not Available
Vendor-Google LLCFedora ProjectDebian GNU/Linux
Product-debian_linuxfedorachromeChrome
CWE ID-CWE-416
Use After Free
CVE-2021-3518
Matching Score-10
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-10
Assigner-Red Hat, Inc.
CVSS Score-8.8||HIGH
EPSS-0.21% / 43.59%
||
7 Day CHG~0.00%
Published-18 May, 2021 | 11:20
Updated-03 Aug, 2024 | 17:01
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by an application linked with libxml2 could trigger a use-after-free. The greatest impact from this flaw is to confidentiality, integrity, and availability.

Action-Not Available
Vendor-n/aOracle CorporationNetApp, Inc.Fedora Projectlibxml2 (XMLSoft)Debian GNU/LinuxRed Hat, Inc.
Product-peoplesoft_enterprise_peopletoolscommunications_cloud_native_core_network_function_cloud_native_environmententerprise_linuxactive_iq_unified_managerlibxml2mysql_workbenchclustered_data_ontapsnapdrivedebian_linuxmanageability_software_development_kitontap_select_deploy_administration_utilityhci_h410c_firmwarefedoraclustered_data_ontap_antivirus_connectorreal_user_experience_insightjboss_core_servicesenterprise_manager_ops_centerhci_h410centerprise_manager_base_platformlibxml2
CWE ID-CWE-416
Use After Free
CVE-2023-5186
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-1.01% / 76.13%
||
7 Day CHG~0.00%
Published-28 Sep, 2023 | 15:23
Updated-13 Feb, 2025 | 17:19
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 Passwords in Google Chrome prior to 117.0.5938.132 allowed a remote attacker who convinced a user to engage in specific UI interaction to potentially exploit heap corruption via crafted UI interaction. (Chromium security severity: High)

Action-Not Available
Vendor-Debian GNU/LinuxFedora ProjectGoogle LLC
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2023-5187
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-0.18% / 40.07%
||
7 Day CHG~0.00%
Published-28 Sep, 2023 | 15:23
Updated-13 Feb, 2025 | 17:19
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 Extensions in Google Chrome prior to 117.0.5938.132 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Action-Not Available
Vendor-Debian GNU/LinuxFedora ProjectGoogle LLC
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2016-9896
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-8.1||HIGH
EPSS-2.43% / 84.54%
||
7 Day CHG~0.00%
Published-11 Jun, 2018 | 21:00
Updated-06 Aug, 2024 | 03:07
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 while manipulating the "navigator" object within WebVR. Note: WebVR is not currently enabled by default. This vulnerability affects Firefox < 50.1.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxFirefox
CWE ID-CWE-416
Use After Free
CVE-2021-30560
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-0.07% / 20.45%
||
7 Day CHG-0.03%
Published-03 Aug, 2021 | 00:00
Updated-05 May, 2025 | 17:17
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 Blink XSLT in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-libxml2 (XMLSoft)Splunk LLC (Cisco Systems, Inc.)Google LLCDebian GNU/Linux
Product-chromeuniversal_forwarderlibxsltdebian_linuxChrome
CWE ID-CWE-416
Use After Free
CVE-2021-29970
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.31% / 53.75%
||
7 Day CHG~0.00%
Published-05 Aug, 2021 | 19:46
Updated-03 Aug, 2024 | 22:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdfirefox_esrThunderbirdFirefox ESRFirefox
CWE ID-CWE-416
Use After Free
CWE ID-CWE-787
Out-of-bounds Write
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