High severity8.8NVD Advisory· Published Apr 7, 2026· Updated Apr 13, 2026
CVE-2026-5732
CVE-2026-5732
Description
Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.
Affected products
2cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*+ 1 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*range: <140.9.1
- cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*range: <149.0.2
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
5- www.mozilla.org/security/advisories/mfsa2026-25/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-27/nvdVendor Advisory
- bugzilla.mozilla.org/show_bug.cginvdIssue TrackingPermissions Required
- www.mozilla.org/security/advisories/mfsa2026-28/nvd
- www.mozilla.org/security/advisories/mfsa2026-29/nvd
News mentions
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