What is CVE-2022-26385?

CVE-2022-26385 is a medium-severity vulnerability in Mozilla Firefox, classified under Use After Free. CVSS score: 6.5/10. Published 2022-12-22.

How severe is CVE-2022-26385?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Use After Free in Mozilla Firefox

CVE-2022-26385

In unusual circumstances, an individual thread may outlive the thread's manager during shutdown. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox < 98.

Vulnerability class: Use-After-Free

EPSS: 0.006 (43.0th 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

Mozilla Firefox — versions unspecified

Weakness classification (CWE)

CWE-416 — Use After Free

References

security@mozilla.org (Vendor Advisory)
security@mozilla.org (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2022-26385?: CVE-2022-26385 is a medium-severity vulnerability in Mozilla Firefox, classified under Use After Free. CVSS score: 6.5/10. Published 2022-12-22.
How severe is CVE-2022-26385?: Medium severity. CVSS v3 base score is 6.5 out of 10.