VulnerabilityAnalyzed
CVE-2021-37975
Google Chromium V8 Use-After-Free Vulnerability
KEVHIGH 8.8EPSS 34.9%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 17 November 2021). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 34.89% probability · 98th percentile
- CISA KEV
- Listed 3 November 2021 · due 17 November 2021
- Weakness
- CWE-416
- Affected
- google/chrome · fedoraproject/fedora · debian/debian linux
- Source
- chrome-cve-admin@google.com
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2021-37975
References
- http://packetstormsecurity.com/files/172847/Chrome-V8-Logic-Bug-Use-After-Free.htmlThird Party Advisory, VDB Entry
- https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_30.htmlRelease Notes
- https://crbug.com/1252918Permissions Required
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D63JZ3ROXCUHP4CFWDHCPZNTGET7T34R/Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FRFXUDH46PFVE75VQVWY6PYY5DK3S2XT/Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNARCF5HEZK7GJXZRN5TQ45AQDCRM2WO/Release Notes
- https://www.debian.org/security/2022/dsa-5046Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/172847/Chrome-V8-Logic-Bug-Use-After-Free.htmlThird Party Advisory, VDB Entry
- https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_30.htmlRelease Notes
- https://crbug.com/1252918Permissions Required
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D63JZ3ROXCUHP4CFWDHCPZNTGET7T34R/Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FRFXUDH46PFVE75VQVWY6PYY5DK3S2XT/Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNARCF5HEZK7GJXZRN5TQ45AQDCRM2WO/Release Notes
- https://www.debian.org/security/2022/dsa-5046Mailing List, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-37975US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.