CVE-2026-5732

HIGH NVD

CVSS Score 8.8

Severity HIGH

Published Apr 07, 2026

Vendor unknown

Description

Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability affects Firefox < 149.0.2 and Firefox ESR < 140.9.1.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2017867
https://www.mozilla.org/security/advisories/mfsa2026-25/
https://www.mozilla.org/security/advisories/mfsa2026-27/