8.8
High
CVE-2026-5732 Incorrect boundary conditions, integer overflow in the Graphics: Text component
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 and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 149.0 | earliest → < 149.0.2 | 149.0.2 |
| Firefox 140.9 | earliest → < 140.9.1 | 140.9.1 |
| Firefox ESR 140.9 | earliest → < 140.9.1 | 140.9.1 |
| Thunderbird 149.0 | earliest → < 149.0.2 | 149.0.2 |
| Thunderbird 140.9 | earliest → < 140.9.1 | 140.9.1 |
| Red Hat Enterprise Linux Server (v. 7 ELS) | Versions not published | |
| Red Hat Enterprise Linux AppStream EUS (v. 10.0) | Versions not published | |
| Red Hat Enterprise Linux AppStream (v. 10) | Versions not published | |
| Red Hat Enterprise Linux AppStream (v. 8) | Versions not published |
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References
- bugzilla.mozilla.org bugzilla.mozilla.org
- www.mozilla.org www.mozilla.org
- www.mozilla.org www.mozilla.org
- www.mozilla.org www.mozilla.org
- www.mozilla.org www.mozilla.org
Timeline
- Published
- Last modified