Google Chromium GPU Heap Buffer Overflow Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-11-28
• EPSS: 32% chance of exploitation in the next 30 days (higher than 98% of CVEs)
• Critical severity: CVSS 9.6

[ Description ]Official description

Heap buffer overflow in GPU in Google Chrome prior to 107.0.5304.121 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

CISA: Google Chromium GPU contains a heap buffer overflow vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 19 Dec 2022): Apply updates per vendor instructions.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• chromereleases.googleblog.com/2022/11/stable-channel-update-for-desktop_24.htmlRelease NotesVendor Advisory
• crbug.com/1392715ExploitIssue Tracking
• security.gentoo.org/glsa/202305-10Third Party Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource