CVE-2025-0238

MEDIUM

Firefox < 115.19.0, 115.19-115.*, < 128.6, 128.6-128.*, >=134 - Use-After-Free

Title source: llm
STIX 2.1

Description

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.

Scores

CVSS v3 5.3
EPSS 0.0012
EPSS Percentile 30.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-416
Status published
Products (8)
mozilla/firefox < 115.19.0
mozilla/firefox < 134.0
Mozilla/Firefox 115.19 - 115.*
Mozilla/Firefox 128.6 - 128.*
Mozilla/Firefox 134
mozilla/thunderbird < 128.6
Mozilla/Thunderbird 128.6 - 128.*
Mozilla/Thunderbird 134
Published Jan 07, 2025
Tracked Since Feb 18, 2026