CVE-2025-0241
HIGH severity · CVSS 7.7 · CWE-401
7.7CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactLow
Exploit probability (EPSS)1%
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Affected products we track (2)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://www.mozilla.org/security/advisories/mfsa2025-01/Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-02/Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-04/Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-05/Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1933023
- https://lists.debian.org/debian-lts-announce/2025/01/msg00004.html