CVE-2025-0241CWE-401

CVE-2025-0241

High · published January 7, 2025

CVSS v3.1

7.7

EPSS

Percentile

53.9

In the wild

Unconfirmed

What it is

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.

The record

Technical detail

CVSS v3.1: 7.7 · HIGH
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
CVSS v4.0: Not supplied
EPSS: 0.00734 · 53.9th percentile
Weakness: CWE-401 · Missing Release of Memory after Effective Lifetime
Published: 2025-01-07T21:15Z

Affected products (4)

Product	Versions	Fixed in
mozilla/firefox	< 128.6.0	128.6.0
mozilla/firefox	< 134.0	134.0
mozilla/thunderbird	< 128.6.0	128.6.0
mozilla/thunderbird	≥ 129.0, < 134.0	134.0

References (6)

https://bugzilla.mozilla.org/show_bug.cgi?id=1933023 · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-01/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-02/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-04/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-05/ · [email protected]https://lists.debian.org/debian-lts-announce/2025/01/msg00004.html · af854a3a-2127-422b-91ae-364da2661108

EPSS history

Timeline

07 JAN 16:07Z
Memory corruption when using JavaScript Text Segmentation
cvelistv5