FIREFOX · CVE-2026-124900 · Package
NO FIX YET · SEE WHAT TO DO
A use-after-free bug in the DOM Service Workers component of Firefox allows a sandbox escape. The sources say it was fixed in Firefox 160 but give no details on what an attacker can run once the sandbox is escaped.
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 browser, firefox
160.160Sandbox escape due to use-after-free in the DOM: Service Workers 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.