CVE-2026-2791
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Mitigation bypass in the Networking: Cache component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mozilla | Firefox | 140.8 <= 140.* | unaffected |
| Mozilla | Firefox | 148 <= * | unaffected |
| Mozilla | Thunderbird | 140.8 <= 140.* | unaffected |
| Mozilla | Thunderbird | 148 <= * | unaffected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: total
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2015220
- https://www.mozilla.org/security/advisories/mfsa2026-13/
- https://www.mozilla.org/security/advisories/mfsa2026-15/
- https://www.mozilla.org/security/advisories/mfsa2026-16/
- https://www.mozilla.org/security/advisories/mfsa2026-17/
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