Description
In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads. This vulnerability affects Firefox < 125.
References (2)
Core 2
Core References
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1885828
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-18/
Scores
CVSS v3
6.5
EPSS
0.0016
EPSS Percentile
37.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-125
Status
published
Products (1)
mozilla/firefox
< 125.0
Published
Apr 16, 2024
Tracked Since
Feb 18, 2026