CVE-2026-12297
Description
Sandbox escape due to incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
Metadata
Severity & Metrics
No CVSS data available.
Affected products (2)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| Mozilla | Firefox | — | 115.37 ≤ 115.*, 140.12 ≤ 140.*, 152 ≤ * |
| Mozilla | Thunderbird | — | 140.12 ≤ 140.*, 152 ≤ * |
References (6)
- https://bugzilla.mozilla.org/show_bug.cgi?id=2041610
- https://www.mozilla.org/security/advisories/mfsa2026-57/
- https://www.mozilla.org/security/advisories/mfsa2026-58/
- https://www.mozilla.org/security/advisories/mfsa2026-59/
- https://www.mozilla.org/security/advisories/mfsa2026-60/
- https://www.mozilla.org/security/advisories/mfsa2026-61/