CVE-2026-5732
Incorrect boundary conditions, integer overflow in the Graphics: Text component
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | mozilla |
| Product | firefox |
| Ecosystems | |
| Industries | Technology |
| Published | Apr 7, 2026 |
| Last Updated | Jul 15, 2026 |
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Affected Versions
Mozilla / Firefox
All versions affected Mozilla / Thunderbird
All versions affected References
bugzilla.mozilla.org: https://bugzilla.mozilla.org/show_bug.cgi?id=2017867 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-25/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-27/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-28/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-29/ access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-5732 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2455908 security.access.redhat.com: https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5732.json access.redhat.com: https://access.redhat.com/errata/RHSA-2026:13977 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:13665 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:11813 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:7672 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:9638 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:8052 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:9345 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:11805 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:13600 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:14303 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:13683 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:15889 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:13682 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:14223 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:13596 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:12264 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:13922 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:13412 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:13582 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:13533 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:13583 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:13342 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:7671 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:8459
Credits
Sajeeb Lohani