8.8
High
CVE-2026-2447 Heap buffer overflow in libvpx
Description
Heap buffer overflow in libvpx. This vulnerability was fixed in Firefox 147.0.4, Firefox ESR 140.7.1, Firefox ESR 115.32.1, Thunderbird 140.7.2, and Thunderbird 147.0.2.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 147.0 | earliest → < 147.0.4 | 147.0.4 |
| Firefox 140.7 | earliest → < 140.7.1 | 140.7.1 |
| Firefox 115.32 | earliest → < 115.32.1 | 115.32.1 |
| Firefox ESR 115.32 | earliest → < 115.32.1 | 115.32.1 |
| Thunderbird 147.0 | earliest → < 147.0.2 | 147.0.2 |
| Thunderbird 140.7 | earliest → < 140.7.2 | 140.7.2 |
| Red Hat Enterprise Linux Server (v. 7 ELS) | Versions not published | |
| Red Hat Enterprise Linux Server Optional (v. 7 ELS) | Versions not published | |
| Red Hat Enterprise Linux AppStream EUS (v. 10.0) | 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
Timeline
- Published
- Last modified
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