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

EPSS: 0.010 (59.3th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

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.