⚠ Actively exploited
Added to CISA KEV on 2021-11-03. Federal agencies required to patch by 2021-11-17. Required action: Apply updates per vendor instructions..

CVE-2021-37975 — Use After Free in Google Chrome

CWE-416 — Use After Free13 documents10 sources
Severity
8.8HIGHNVD
EPSS
63.0%
top 1.60%
CISA KEV
KEV
Added 2021-11-03
Due 2021-11-17
Exploit
Exploited in wild
Active exploitation observed
Affected products
7
Google ChromeChromiumDebian Chromium+4 more
Timeline
PublishedOct 8
KEV addedNov 3
KEV dueNov 17
Latest updateMay 24
CISA Required Action: Apply updates per vendor instructions.

Description

Use after free in V8 in Google Chrome prior to 94.0.4606.71 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages6 packages

▶CVEListV5google/chromeunspecified — 94.0.4606.71
▶NVDgoogle/chrome< 94.0.4606.71
▶debiandebian/chromium< chromium 97.0.4692.71-0.1 (bookworm)
▶Debianchromium/chromium< 97.0.4692.71-0.1~deb11u1+3

Also affects: Debian Linux 10.0, 11.0, Fedora 33, 34, 35

🔴Vulnerability Details

5
GHSA
GHSA-cf6v-2gfq-gj95: Use after free in V8 in Google Chrome prior to 94↗2022-05-24
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Project0
The More You Know, The More You Know You Don’t Know - Project Zero↗2022-04-01
▶
OSV
CVE-2021-37975: Use after free in V8 in Google Chrome prior to 94↗2021-10-08
▶
VulnCheck
Google Chromium V8 Use-After-Free Vulnerability↗2021
▶
Project0
Project Zero RCA: CVE-2021-37975: Chrome v8 garbage collector logic bug causing live objects to be collected↗
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📋Vendor Advisories

4
CISA
Google Chromium V8 Use-After-Free Vulnerability↗2021-11-03
▶
Microsoft
Chromium: CVE-2021-37975 Use after free in V8↗2021-10-12
▶
Chrome
Stable Channel Update for Desktop: CVE-2021-37974↗2021-09-30
▶
Debian
CVE-2021-37975: chromium - Use after free in V8 in Google Chrome prior to 94.0.4606.71 allowed a remote att...↗2021
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🕵️Threat Intelligence

3
Qualys
Managing CISA Known Exploited Vulnerabilities with Qualys VMDR | Qualys↗2022-02-23
▶
Qualys
Qualys Response to CISA Alert: Binding Operational Directive 22-01↗2021-11-09
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Qualys
Qualys Response to CISA Alert: Binding Operational Directive 22-01 | Qualys↗2021-11-09
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