CVE-2021-30632

Out of bounds write in V8 in Google Chrome prior to 93.0.4577.82 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Score

CVSS 3.1 8.8 High

Status

Analyzed - chrome-cve-admin@google.com

Published

2021-10-08

Last modified

2025-10-21

Known exploited (CISA KEV)

since 2021-11-03, action due 2021-11-17: Apply updates per vendor instructions.

Weaknesses

CWE-787

Affected products

• Fedora (Fedoraproject)
• Chrome (Google)

References

• http://packetstormsecurity.com/files/172845/Chrome-JIT-Compiler-Type-Confusion.html
• https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html
• https://crbug.com/1247763
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SU…
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7…
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30632