CVE-2025-10532

MEDIUM EPSS 20.8%
Published Sep 16, 20259mo ago · Modified Jun 17, 20261w ago
6.5 CVSS 3.1
Medium
Find Similar
Published Sep 16, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

Description

Incorrect boundary conditions in the JavaScript: GC component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.

CVSS Details

Base Score
6.5
Exploitability
3.9
Impact
2.5
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
20.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-754

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=1979502
    Permissions 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.