All intelligence
// vulnerability record
cached · NVD via COSMOS syncCVE-2026-4689
CRITICALpublished 2026-03-24 13:16 UTC · 5 months ago · modified 2026-06-17 10:57 UTC
10.0
CVSS / 10
// description
Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
// weaknesses (CWE)
- CWE-190
- CWE-754
- CWE-120