CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 8.0. It affects Firefox.
CVE
CVE-2026-0878
Severity
HIGH
CVSS
8
EPSS
0.42%
Firefox
Original NVD Description
Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
Related CVEs
Other vulnerabilities affecting the same vendor(s)