Mozilla Firefox Use-After-Free Vulnerability (CVE-2022-26485)
Severity: high · Patch status: patched · Since 2022-03-07 · CVE-2022-26485
Mozilla Firefox contains a use-after-free vulnerability in XSLT parameter processing which can be exploited to perform arbitrary code execution. CISA added CVE-2022-26485 to its Known Exploited Vulnerabilities catalog on Mar 7, 2022, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Mar 21, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch