CVE-2025-0241

HIGH EPSS 49.2%
Published Jan 7, 20251y ago · Modified Jun 17, 20261w ago
7.7 CVSS 3.1
High
Find Similar
Published Jan 7, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.

CVSS Details

Base Score
7.7
Exploitability
2.2
Impact
5.5
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability Low

Threat Intelligence

EPSS Exploit Probability
49.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-401

Affected Products 4

VendorProductVersionRange
mozillafirefox* <128.6.0
mozillafirefox* <134.0
mozillathunderbird* <128.6.0
mozillathunderbird*≥129.0  –  <134.0

References 6

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1933023
    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/mfsa2025-04/
    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.