In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads. This vulnerability affects Firefox < 125.
https://www.mozilla.org/security/advisories/mfsa2024-18/
https://bugzilla.mozilla.org/show_bug.cgi?id=1885828
Source: Mitre, NVD
Published: 2024-04-16
Updated: 2024-11-12
Base Score: 6.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H