Buffer overflow in Mozilla Firefox
CVE-2023-5169
A compromised content process could have provided malicious data in a `PathRecording` resulting in an out-of-bounds write, leading to a potentially exploitable crash in a privileged process. This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.011 (64.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.011 · change: +0.001
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Mozilla Firefox Esr
- Mozilla Thunderbird — versions unspecified
- Debian Linux — versions 10.0, 11.0, 12.0
- Fedoraproject Fedora — versions 39
Weakness classification (CWE)
References
- bugzilla.mozilla.org/show_bug.cgi (Permissions Required, Issue Tracking)
- www.mozilla.org/security/advisories/mfsa2023-41/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2023-42/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2023-43/ (Vendor Advisory)
- www.debian.org/security/2023/dsa-5506 (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/09/msg00034.html (Patch, Third Party Advisory)
- www.debian.org/security/2023/dsa-5513 (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/10/msg00015.html (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-5169?
- CVE-2023-5169 is a medium-severity vulnerability in Mozilla Firefox, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2023-09-27.
- How severe is CVE-2023-5169?
- Medium severity. CVSS v3 base score is 6.5 out of 10.