7.3
High
CVE-2026-6751 Uninitialized memory in the Audio/Video: Web Codecs component
Description
Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 150 | earliest → < 150 | 150 |
| Firefox 140.10 | earliest → < 140.10 | 140.10 |
| Thunderbird 150 | earliest → < 150 | 150 |
| Thunderbird 140.10 | earliest → < 140.10 | 140.10 |
| 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 | |
| Red Hat Enterprise Linux AppStream AUS (v.8.4) | 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
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