7.1
High
CVE-2025-10527 Sandbox escape due to use-after-free in the Graphics: Canvas2D component
Description
Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 143 | earliest → < 143 | 143 |
| Firefox 140.3 | earliest → < 140.3 | 140.3 |
| Firefox ESR 140.3 | earliest → < 140.3 | 140.3 |
| Thunderbird 143 | earliest → < 143 | 143 |
| Thunderbird 140.3 | earliest → < 140.3 | 140.3 |
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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