Buffer overflow in Mozilla Firefox
CVE-2024-3864
Memory safety bug present in Firefox 124, Firefox ESR 115.9, and Thunderbird 115.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (56.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Mozilla Thunderbird — versions unspecified
- Debian Linux — versions 10.0
Weakness classification (CWE)
References
- bugzilla.mozilla.org/show_bug.cgi (Exploit, Issue Tracking, Vendor Advisory)
- lists.debian.org/debian-lts-announce/2024/04/msg00012.html (Mailing List)
- lists.debian.org/debian-lts-announce/2024/04/msg00013.html (Mailing List)
- www.mozilla.org/security/advisories/mfsa2024-18/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2024-19/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2024-20/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2024-3864?
- CVE-2024-3864 is a high-severity vulnerability in Mozilla Firefox, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.1/10. Published 2024-04-16.
- How severe is CVE-2024-3864?
- High severity. CVSS v3 base score is 8.1 out of 10.