FIREFOX · CVE-2026-124867 · Runtime
NO FIX YET · SEE WHAT TO DO
A use-after-free bug in the DOM Editor component of Firefox lets memory be reused after it is freed. The sources do not state what an attacker gets beyond this, so impact is unconfirmed.
first public Nov 10, 2026 · 1 source
Could this affect your app?
Free first check from your website. Connect your repo for the full answer.
Who cares firefox
about:support or the Help menu; the sources say the bug was fixed in Firefox 160.160 or later, per the sources.Use-after-free in the DOM: Editor component. This vulnerability was fixed in Firefox 160.
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.
Check it with your coding agent
It reads this page and tells you if your code is affected.
Are you affected?
Ask from here. InfraStack checks the affected versions against your stack and answers in your inbox.
InfraStack checks the affected versions against your stack and answers in Slack, with the evidence and the fix.