CVE-2026-5732
Incorrect boundary conditions, integer overflow in the Graphics: Text component
- State
- Published
- Severity
- 8.8 High
- Published
- Apr 7, 2026
- Updated
- Jul 15, 2026
- Reserved
- Apr 7, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | CISA-ADP |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | redhat-SADP |
Weaknesses
- CWE-190 Integer Overflow or Wraparound
Affected Products
| Product | Versions |
|---|---|
FirefoxMozilla |
|
ThunderbirdMozilla |
|
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-2026-5732vdb-entry
- RHBZ#2455908issue-tracking
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5732.json
- https://access.redhat.com/errata/RHSA-2026:13977vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:13665vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:11813vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:7672vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:9638vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:8052vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:9345vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:11805vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:13600vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:14303vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:13683vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:15889vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:13682vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:14223vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:13596vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:12264vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:13922vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:13412vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:13582vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:13533vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:13583vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:13342vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:7671vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:8459vendor-advisory
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