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
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mozilla Firefox
140.9.1 to ≤ 140.*unaffected149.0.2 to ≤ *unaffected
Mozilla Thunderbird
140.9.1 to ≤ 140.*unaffected149.0.2 to ≤ *unaffected
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/ ↗
- https://www.mozilla.org/security/advisories/mfsa2026-28/ ↗
- https://www.mozilla.org/security/advisories/mfsa2026-29/ ↗
- https://access.redhat.com/security/cve/CVE-2026-5732 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2455908 ↗
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5732.json ↗
- https://access.redhat.com/errata/RHSA-2026:13977 ↗
- https://access.redhat.com/errata/RHSA-2026:13665 ↗
- https://access.redhat.com/errata/RHSA-2026:11813 ↗
- https://access.redhat.com/errata/RHSA-2026:7672 ↗
- https://access.redhat.com/errata/RHSA-2026:9638 ↗
- https://access.redhat.com/errata/RHSA-2026:8052 ↗
- https://access.redhat.com/errata/RHSA-2026:9345 ↗
- https://access.redhat.com/errata/RHSA-2026:11805 ↗
- https://access.redhat.com/errata/RHSA-2026:13600 ↗
- https://access.redhat.com/errata/RHSA-2026:14303 ↗
- https://access.redhat.com/errata/RHSA-2026:13683 ↗
- https://access.redhat.com/errata/RHSA-2026:15889 ↗
- https://access.redhat.com/errata/RHSA-2026:13682 ↗
- https://access.redhat.com/errata/RHSA-2026:14223 ↗
- https://access.redhat.com/errata/RHSA-2026:13596 ↗
- https://access.redhat.com/errata/RHSA-2026:12264 ↗
- https://access.redhat.com/errata/RHSA-2026:13922 ↗
- https://access.redhat.com/errata/RHSA-2026:13412 ↗
- https://access.redhat.com/errata/RHSA-2026:13582 ↗
- https://access.redhat.com/errata/RHSA-2026:13533 ↗
- https://access.redhat.com/errata/RHSA-2026:13583 ↗
- https://access.redhat.com/errata/RHSA-2026:13342 ↗
- https://access.redhat.com/errata/RHSA-2026:7671 ↗
- https://access.redhat.com/errata/RHSA-2026:8459 ↗