CVE-2025-0238CWE-416

CVE-2025-0238

Medium · published January 7, 2025

CVSS v3.1

5.3

EPSS

Percentile

55.9

In the wild

Unconfirmed

What it is

Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Firefox ESR 115.19, Thunderbird 134, and Thunderbird 128.6.

The record

Technical detail

CVSS v3.1: 5.3 · MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0: Not supplied
EPSS: 0.00794 · 55.9th percentile
Weakness: CWE-416 · Use After Free
Published: 2025-01-07T21:15Z

Affected products (5)

Product	Versions	Fixed in
mozilla/firefox	< 115.19.0	115.19.0
mozilla/firefox	< 134.0	134.0
mozilla/firefox	≥ 116.0, < 128.6.0	128.6.0
mozilla/thunderbird	< 128.6	128.6
mozilla/thunderbird	≥ 129.0, < 134.0	134.0

References (7)

https://bugzilla.mozilla.org/show_bug.cgi?id=1915535 · [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/mfsa2025-03/ · [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
Use-after-free when breaking lines in text
cvelistv5