CVE-2025-0238

MEDIUM EPSS 51.9%
Published Jan 7, 20251y ago · Modified Jun 17, 20261w ago
5.3 CVSS 3.1
Medium
Find Similar
Published Jan 7, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Firefox ESR 115.19, Thunderbird 134, and Thunderbird 128.6.

CVSS Details

Base Score
5.3
Exploitability
3.9
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
51.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 5

VendorProductVersionRange
mozillafirefox* <115.19.0
mozillafirefox* <134.0
mozillafirefox*≥116.0  –  <128.6.0
mozillathunderbird* <128.6
mozillathunderbird*≥129.0  –  <134.0

References 7

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1915535
    Issue TrackingPermissions Required
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/01/msg00004.html
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-01/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-02/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-03/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-04/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-05/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.