Vulnerability in Google Chrome
CVE-2021-37991
Race in V8 in Google Chrome prior to 95.0.4638.54 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (54.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Google Chrome — versions unspecified
- Debian Linux — versions 10.0, 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_19.html (Vendor Advisory)
- crbug.com/1250660 (Permissions Required, Vendor Advisory)
- www.debian.org/security/2022/dsa-5046 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-37991?
- CVE-2021-37991 is a high-severity vulnerability in Google Chrome, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.5/10. Published 2021-11-02.
- How severe is CVE-2021-37991?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-37991 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.