CVE-2021-30632
KEVHIGH 8.8EPSS 63.2%
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.
- Affected
- Google · Chrome
- CVSS v3.1 NVD
- 8.8 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS v2.0 NVD
- 6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P - EPSS
- 63.19% chance of exploitation in the next 30 days, 99th percentile
- CISA KEV
- added 2021-11-03
- Published
- 2021-10-08
- Updated
- 2025-10-21
Proof-of-concept exploits (5)
- CrackerCat/CVE-2021-3063214★ · 2021-12-13
- maldev866/ChExp_CVE-2021-306320★ · 2023-03-21
- paulsery/CVE-2021-306320★ · 2024-01-31
- tianstcht/v8-exploit7★ · 2022-06-10
- yuvaly0/exploits30★ · 2025-07-18
Exploit collections (1)
- Chrome/v8/CVE-2021-30632github/securitylab
Security advisories
- http://packetstormsecurity.com/files/172845/Chrome-JIT-Compiler-Type-Confusion.html
- https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/…
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/…