CVE-2025-0238
MEDIUMFirefox < 115.19.0, 115.19-115.*, < 128.6, 128.6-128.*, >=134 - Use-After-Free
Title source: llmDescription
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.
References (7)
Core 7
Core References
Issue Tracking, Permissions Required
https://bugzilla.mozilla.org/show_bug.cgi?id=1915535
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-01/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-02/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-03/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-04/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-05/
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