CVE-2025-10536

MEDIUM EPSS 4.9%
Published Sep 16, 20259mo ago · Modified Jun 17, 20261w ago
6.2 CVSS 3.1
Medium
Find Similar
Published Sep 16, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

Description

Information disclosure in the Networking: Cache component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.

CVSS Details

Base Score
6.2
Exploitability
2.5
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
4.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Information Exposure

Affected Products 4

VendorProductVersionRange
mozillafirefox* <140.3.0
mozillafirefox* <143.0
mozillathunderbird* <140.3.0
mozillathunderbird*≥141.0  –  <143.0

References 7

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1981502
    Issue TrackingPermissions Required
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/09/msg00020.html
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/09/msg00026.html
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-73/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-75/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-77/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-78/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.