CVE-2025-10536
MEDIUM severity · CVSS 6.2 · Information disclosure
6.2CVSS MEDIUM
Summary
Information disclosure in the Networking: Cache component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://www.mozilla.org/security/advisories/mfsa2025-73/Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-75/Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-77/Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-78/Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1981502
- https://lists.debian.org/debian-lts-announce/2025/09/msg00020.html
- https://lists.debian.org/debian-lts-announce/2025/09/msg00026.html