Description
Memory safety bugs present in Firefox 135. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 135.0.1.
References (2)
Core 2
Core References
Issue Tracking, Permissions Required
https://bugzilla.mozilla.org/show_bug.cgi?id=1943179
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-12/
Scores
CVSS v3
6.5
EPSS
0.0029
EPSS Percentile
52.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-787
Status
published
Products (2)
mozilla/firefox
< 135.0.1
Mozilla/Firefox
135.0.1
Published
Feb 18, 2025
Tracked Since
Feb 18, 2026