VulnerabilityAnalyzed
CVE-2024-3855
In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads.
MEDIUM 6.5EPSS 0.40%
Does this matter?
Lower severity and a low EPSS score (0.40%). Track it; it rarely justifies an emergency change on its own.
Description
In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads. This vulnerability affects Firefox < 125.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.40% probability · 33th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- mozilla/firefox
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1885828Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2024-18/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1885828Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2024-18/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.