CVE-2026-4699
HIGH
mozilla
NVD
CVSS Score
7.5
Severity
HIGH
Published
Mar 24, 2026
Vendor
mozilla
Description
Incorrect boundary conditions in the Layout: Text and Fonts component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.