CVE-2026-0880

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 147 Firefox ESR versions prior to 115.32 Firefox ESR versions prior to 140.7

Description A flaw exists due to an integer overflow within the Graphics component, potentially allowing for a sandbox escape.

Recommendations Update Firefox to version 147 or later. Update Firefox ESR to version 115.32 or later. Update Firefox ESR to version 140.7 or later.