Vulnerability in Mozilla Firefox

CVE-2023-0767

An attacker could construct a PKCS 12 cert bundle in such a way that could allow for arbitrary memory writes via PKCS 12 Safe Bag attributes being mishandled. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

EPSS: 0.008 (53.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

References

Frequently asked questions

What is CVE-2023-0767?
CVE-2023-0767 is a high-severity vulnerability in Mozilla Firefox. CVSS score: 8.8/10. Published 2023-06-02.
How severe is CVE-2023-0767?
High severity. CVSS v3 base score is 8.8 out of 10.