CVE-2026-4689
UNKNOWN
NVD
CVSS Score
0
Severity
UNKNOWN
Published
Mar 24, 2026
Vendor
unknown
Description
Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.