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Vulnerability Details :

CVE-2021-21121

Summary
Assigner-Chrome
Assigner Org ID-ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28
Published At-09 Feb, 2021 | 13:55
Updated At-03 Aug, 2024 | 18:01
Rejected At-
Credits

Use after free in Omnibox in Google Chrome on Linux prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

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:Chrome
Assigner Org ID:ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28
Published At:09 Feb, 2021 | 13:55
Updated At:03 Aug, 2024 | 18:01
Rejected At:
▼CVE Numbering Authority (CNA)

Use after free in Omnibox in Google Chrome on Linux prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

Affected Products
Vendor
Google LLCGoogle
Product
Chrome
Versions
Affected
  • From unspecified before 88.0.4324.96 (custom)
Problem Types
TypeCWE IDDescription
textN/AUse after free
Type: text
CWE ID: N/A
Description: Use after free
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html
x_refsource_MISC
https://crbug.com/1161143
x_refsource_MISC
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21121
x_refsource_MISC
Hyperlink: https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html
Resource:
x_refsource_MISC
Hyperlink: https://crbug.com/1161143
Resource:
x_refsource_MISC
Hyperlink: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21121
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://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html
x_refsource_MISC
x_transferred
https://crbug.com/1161143
x_refsource_MISC
x_transferred
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21121
x_refsource_MISC
x_transferred
Hyperlink: https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://crbug.com/1161143
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21121
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:chrome-cve-admin@google.com
Published At:09 Feb, 2021 | 14:15
Updated At:08 Mar, 2021 | 18:48

Use after free in Omnibox in Google Chrome on Linux prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

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
Primary3.19.6CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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: 9.6
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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

Google LLC
google
>>chrome>>Versions before 88.0.4324.96(exclusive)
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Microsoft Corporation
microsoft
>>edge_chromium>>Versions before 88.0.705.50(exclusive)
cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*
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://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.htmlchrome-cve-admin@google.com
Release Notes
Vendor Advisory
https://crbug.com/1161143chrome-cve-admin@google.com
Permissions Required
Third Party Advisory
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21121chrome-cve-admin@google.com
Third Party Advisory
Hyperlink: https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html
Source: chrome-cve-admin@google.com
Resource:
Release Notes
Vendor Advisory
Hyperlink: https://crbug.com/1161143
Source: chrome-cve-admin@google.com
Resource:
Permissions Required
Third Party Advisory
Hyperlink: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21121
Source: chrome-cve-admin@google.com
Resource:
Third Party Advisory

Change History

0
Information is not available yet

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Matching Score-10
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Matching Score-10
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Action-Not Available
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Matching Score-10
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||
7 Day CHG~0.00%
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Updated-29 Apr, 2026 | 01:13
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-n/aGoogle LLCApple Inc.
Product-chromeiphone_ossafariitunesn/a
CWE ID-CWE-416
Use After Free
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Matching Score-10
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Matching Score-10
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||
7 Day CHG~0.00%
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Updated-29 Apr, 2026 | 01:13
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-n/aGoogle LLC
Product-chromen/a
CWE ID-CWE-416
Use After Free
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Matching Score-10
Assigner-Microsoft Corporation
ShareView Details
Matching Score-10
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-2.32% / 81.66%
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Rejected-Not Available
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Action-Not Available
Vendor-Microsoft Corporation
Product-office_web_appsoffice_online_serverofficeexcel365_appsOffice Online ServerMicrosoft 365 Apps for EnterpriseMicrosoft Excel 2016Microsoft Excel 2013 Service Pack 1Microsoft Excel 2010 Service Pack 2Microsoft Office Web Apps Server 2013 Service Pack 1Microsoft Office 2019
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ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-9.6||CRITICAL
EPSS-0.22% / 13.15%
||
7 Day CHG~0.00%
Published-06 May, 2026 | 18:12
Updated-07 May, 2026 | 03:56
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 Fullscreen in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

Action-Not Available
Vendor-Apple Inc.Microsoft CorporationGoogle LLCLinux Kernel Organization, Inc
Product-chromewindowslinux_kernelmacosChrome
CWE ID-CWE-416
Use After Free
CVE-2026-8580
Matching Score-10
Assigner-Android (associated with Google Inc. or Open Handset Alliance)
ShareView Details
Matching Score-10
Assigner-Android (associated with Google Inc. or Open Handset Alliance)
CVSS Score-9.6||CRITICAL
EPSS-0.21% / 11.43%
||
7 Day CHG~0.00%
Published-14 May, 2026 | 19:52
Updated-19 May, 2026 | 15:18
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 Mojo in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)

Action-Not Available
Vendor-Google LLC
Product-chromeChrome
CWE ID-CWE-416
Use After Free
CVE-2021-21204
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-1.55% / 72.55%
||
7 Day CHG~0.00%
Published-26 Apr, 2021 | 16:25
Updated-03 Aug, 2024 | 18:01
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 in Google Chrome on OS X prior to 90.0.4430.72 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Google LLCApple Inc.Fedora ProjectDebian GNU/Linux
Product-chromedebian_linuxfedoramac_os_xChrome
CWE ID-CWE-416
Use After Free
CVE-2021-21109
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-9.6||CRITICAL
EPSS-1.32% / 67.76%
||
7 Day CHG~0.00%
Published-08 Jan, 2021 | 17:56
Updated-03 Aug, 2024 | 18:01
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 payments in Google Chrome prior to 87.0.4280.141 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-Fedora ProjectGoogle LLCDebian GNU/Linux
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2021-21191
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-1.37% / 69.11%
||
7 Day CHG~0.00%
Published-16 Mar, 2021 | 14:10
Updated-03 Aug, 2024 | 18:01
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 WebRTC in Google Chrome prior to 89.0.4389.90 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-2021-21167
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-1.38% / 69.14%
||
7 Day CHG~0.00%
Published-09 Mar, 2021 | 17:46
Updated-03 Aug, 2024 | 18:01
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 bookmarks in Google Chrome prior to 89.0.4389.72 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-2021-21033
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-8.8||HIGH
EPSS-3.98% / 89.40%
||
7 Day CHG~0.00%
Published-11 Feb, 2021 | 19:42
Updated-16 Sep, 2024 | 20:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Acrobat Reader DC Use-After-Free Vulnerability Could Lead To Arbitrary Code Execution

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a Use After Free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve 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-2021-21145
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-1.04% / 60.36%
||
7 Day CHG~0.00%
Published-09 Feb, 2021 | 14:55
Updated-03 Aug, 2024 | 18:01
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 Fonts in Google Chrome prior to 88.0.4324.146 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Fedora ProjectGoogle LLC
Product-chromefedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2021-21226
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-9.6||CRITICAL
EPSS-1.35% / 68.65%
||
7 Day CHG~0.00%
Published-26 Apr, 2021 | 16:56
Updated-03 Aug, 2024 | 18:09
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 90.0.4430.85 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-Fedora ProjectGoogle LLCDebian GNU/Linux
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2021-21199
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-1.15% / 63.41%
||
7 Day CHG~0.00%
Published-09 Apr, 2021 | 21:35
Updated-03 Aug, 2024 | 18:01
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 Aura in Google Chrome on Linux prior to 89.0.4389.114 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 LLC
Product-chromefedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2021-21232
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-1.10% / 62.32%
||
7 Day CHG~0.00%
Published-30 Apr, 2021 | 20:15
Updated-03 Aug, 2024 | 18:09
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 90.0.4430.93 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-2021-21039
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-7.8||HIGH
EPSS-2.96% / 85.74%
||
7 Day CHG~0.00%
Published-11 Feb, 2021 | 19:42
Updated-16 Sep, 2024 | 18:34
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Acrobat Reader DC Use-After-Free Vulnerability Could Lead To Arbitrary Code Execution

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a Use After Free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve 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-2021-21035
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-8.8||HIGH
EPSS-3.98% / 89.40%
||
7 Day CHG~0.00%
Published-11 Feb, 2021 | 19:42
Updated-17 Sep, 2024 | 04:05
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Acrobat Reader DC Use-After-Free Vulnerability Could Lead To Arbitrary Code Execution

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a Use After Free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve 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-2021-21180
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-1.62% / 73.58%
||
7 Day CHG~0.00%
Published-09 Mar, 2021 | 17:46
Updated-03 Aug, 2024 | 18:01
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 search in Google Chrome prior to 89.0.4389.72 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-2021-21162
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-1.38% / 69.14%
||
7 Day CHG~0.00%
Published-09 Mar, 2021 | 17:46
Updated-03 Aug, 2024 | 18:01
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 WebRTC in Google Chrome prior to 89.0.4389.72 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-2021-21040
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-7.8||HIGH
EPSS-2.96% / 85.74%
||
7 Day CHG~0.00%
Published-11 Feb, 2021 | 19:42
Updated-16 Sep, 2024 | 19:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Acrobat Reader DC Use-After-Free Vulnerability Could Lead To Arbitrary Code Execution

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a Use After Free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve 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-2021-21120
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-6.88% / 93.37%
||
7 Day CHG~0.00%
Published-09 Feb, 2021 | 13:55
Updated-03 Aug, 2024 | 18:01
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 WebSQL in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Google LLCMicrosoft Corporation
Product-chromeedge_chromiumChrome
CWE ID-CWE-416
Use After Free
CVE-2021-21201
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-9.6||CRITICAL
EPSS-1.69% / 74.62%
||
7 Day CHG~0.00%
Published-26 Apr, 2021 | 16:25
Updated-03 Aug, 2024 | 18:01
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 permissions in Google Chrome prior to 90.0.4430.72 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-Fedora ProjectGoogle LLCDebian GNU/Linux
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2021-21213
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-1.52% / 71.86%
||
7 Day CHG~0.00%
Published-26 Apr, 2021 | 16:26
Updated-03 Aug, 2024 | 18:01
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 WebMIDI in Google Chrome prior to 90.0.4430.72 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-2021-21157
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-9.46% / 94.91%
||
7 Day CHG~0.00%
Published-22 Feb, 2021 | 21:20
Updated-03 Aug, 2024 | 18:01
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 Sockets in Google Chrome on Linux prior to 88.0.4324.182 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Google LLCFedora ProjectLinux Kernel Organization, IncMicrosoft Corporation
Product-edge_chromiumlinux_kernelchromefedoraedgeChrome
CWE ID-CWE-416
Use After Free
CVE-2021-21214
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-1.29% / 67.23%
||
7 Day CHG~0.00%
Published-26 Apr, 2021 | 16:26
Updated-03 Aug, 2024 | 18:01
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 API in Google Chrome prior to 90.0.4430.72 allowed a remote attacker to potentially exploit heap corruption via a crafted Chrome Extension.

Action-Not Available
Vendor-Fedora ProjectGoogle LLCDebian GNU/Linux
Product-chromedebian_linuxfedoraChrome
CWE ID-CWE-416
Use After Free
CVE-2021-21122
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-7.01% / 93.49%
||
7 Day CHG~0.00%
Published-09 Feb, 2021 | 13:55
Updated-03 Aug, 2024 | 18:01
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 in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Google LLCMicrosoft Corporation
Product-chromeedge_chromiumChrome
CWE ID-CWE-416
Use After Free
CVE-2021-21193
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-9.87% / 95.07%
||
7 Day CHG~0.00%
Published-16 Mar, 2021 | 14:10
Updated-24 Oct, 2025 | 21:00
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 Blink in Google Chrome prior to 89.0.4389.90 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Debian GNU/LinuxFedora ProjectGoogle LLC
Product-fedoradebian_linuxchromeChromeChromium Blink
CWE ID-CWE-416
Use After Free
CVE-2021-21110
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-9.6||CRITICAL
EPSS-3.09% / 86.36%
||
7 Day CHG~0.00%
Published-08 Jan, 2021 | 17:56
Updated-03 Aug, 2024 | 18:01
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 safe browsing in Google Chrome prior to 87.0.4280.141 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-2021-21119
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-6.83% / 93.32%
||
7 Day CHG~0.00%
Published-09 Feb, 2021 | 13:55
Updated-03 Aug, 2024 | 18:01
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 in Google Chrome prior to 88.0.4324.96 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Google LLCMicrosoft Corporation
Product-chromeedge_chromiumChrome
CWE ID-CWE-416
Use After Free
CVE-2021-21021
Matching Score-10
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-10
Assigner-Adobe Systems Incorporated
CVSS Score-8.8||HIGH
EPSS-3.98% / 89.40%
||
7 Day CHG~0.00%
Published-11 Feb, 2021 | 19:42
Updated-17 Sep, 2024 | 03:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Acrobat Reader DC Use-After-Free Vulnerability Could Lead To Arbitrary Code Execution

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a Use After Free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve 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-2026-11634
Matching Score-10
Assigner-Chrome
ShareView Details
Matching Score-10
Assigner-Chrome
CVSS Score-9.6||CRITICAL
EPSS-0.25% / 16.71%
||
7 Day CHG~0.00%
Published-08 Jun, 2026 | 23:27
Updated-23 Jul, 2026 | 08:10
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 Gamepad in Google Chrome on Windows prior to 149.0.7827.103 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

Action-Not Available
Vendor-Microsoft CorporationGoogle LLC
Product-chromewindowsChrome
CWE ID-CWE-416
Use After Free
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