9.8
Critical
CVE-2026-2788 Incorrect boundary conditions in the Audio/Video: GMP component
Description
Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 148 | earliest → < 148 | 148 |
| Firefox 140.8 | earliest → < 140.8 | 140.8 |
| Firefox 115.33 | earliest → < 115.33 | 115.33 |
| Thunderbird 148 | earliest → < 148 | 148 |
| Thunderbird 140.8 | earliest → < 140.8 | 140.8 |
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