Mozilla Firefox Use-After-Free Vulnerability

High CVSS 8.8 Listed in CISA KEV

CVECVE-2022-26485

First seen2022-03-07 00:00 UTC

Disclosed2022-03-07 00:00 UTC

Last updated2026-09-04 01:15 UTC

Channel statuspending_review

Summary

Mozilla Firefox contains a use-after-free vulnerability in XSLT parameter processing which can be exploited to perform arbitrary code execution.

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Affected products

Mozilla:Firefox
:

Sources

CISA KEV DATABASE
NVD DATABASE

Original Links

https://nvd.nist.gov/vuln/detail/CVE-2022-26485 advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog kev
https://bugzilla.mozilla.org/show_bug.cgi?id=1758062 Exploit
https://www.mozilla.org/security/advisories/mfsa2022-09/ Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26485 US Government Resource

Timeline

2022-03-07 kev_added CISA KEV
2026-07-15 kev_ingest CISA KEV
2026-08-19 nvd_ingest NVD