CVE-2026-0880
Sandbox escape due to integer overflow in the Graphics component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
| Software | From | Fixed in |
|---|---|---|
| mozilla / firefox | - | 115.32.0 |
| mozilla / firefox | - | 147.0 |
| mozilla / firefox | 128.0 | 140.7.0 |
| mozilla / thunderbird | - | 140.7.0 |
| mozilla / thunderbird | - | 147.0 |
- https://bugzilla.mozilla.org/show_bug.cgi?id=2005014
- https://www.mozilla.org/security/advisories/mfsa2026-01/
- https://www.mozilla.org/security/advisories/mfsa2026-02/
- https://www.mozilla.org/security/advisories/mfsa2026-03/
- https://www.mozilla.org/security/advisories/mfsa2026-04/
- https://www.mozilla.org/security/advisories/mfsa2026-05/
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