9.1
Critical
CVE-2026-12315 Mitigation bypass in the DOM: Security component
Description
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 152 | earliest → < 152 | 152 |
| Firefox 140.12 | earliest → < 140.12 | 140.12 |
| Thunderbird 152 | earliest → < 152 | 152 |
| Thunderbird 140.12 | earliest → < 140.12 | 140.12 |
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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