CVE-2025-0241
Memory corruption when using JavaScript Text Segmentation
CVSS Score
7.7
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | mozilla |
| Product | firefox |
| Ecosystems | |
| Industries | Technology |
| Published | Jan 7, 2025 |
| Last Updated | Apr 13, 2026 |
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Affected Versions
Mozilla / Firefox
All versions affected Mozilla / Thunderbird
All versions affected References
bugzilla.mozilla.org: https://bugzilla.mozilla.org/show_bug.cgi?id=1933023 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-01/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-02/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-04/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-05/ lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/01/msg00004.html
Credits
Nils Bars