CVE-2026-5732

high

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://www.mozilla.org/security/advisories/mfsa2026-27/

https://www.mozilla.org/security/advisories/mfsa2026-25/

https://bugzilla.mozilla.org/show_bug.cgi?id=2017867

Details

Source: Mitre, NVD

Published: 2026-04-07

Updated: 2026-04-07

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H