CVE-2025-0241

Memory corruption when using JavaScript Text Segmentation

CVSS 7.7 HIGHEPSS 0.7%CWE-401

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.7EPSS 0.7%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

07 Jan 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

Affected products

Mozilla · Firefox Mozilla · Thunderbird

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1933023 https://lists.debian.org/debian-lts-announce/2025/01/msg00004.html https://www.mozilla.org/security/advisories/mfsa2025-01/https://www.mozilla.org/security/advisories/mfsa2025-02/https://www.mozilla.org/security/advisories/mfsa2025-04/https://www.mozilla.org/security/advisories/mfsa2025-05/