FIREFOX · CVE-2026-124948 · Other
NO FIX YET · SEE WHAT TO DO
Firefox's Graphics component has a use-after-free and incorrect boundary checks, a memory bug that can corrupt the browser's memory. The sources describe the fix in Firefox 160 and Firefox ESR 153.7 but do not state the attacker's exact outcome.
first public Nov 10, 2026 · 1 source
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Anyone running a Firefox release before 160 or Firefox ESR before 153.7 is exposed, most likely by visiting a malicious or compromised web page. Users on current Firefox releases are not affected.
Not affected if up-to-date-firefox
Who cares browser, desktop, firefox
firefox --version on the command line.160153.7Incorrect boundary conditions, use-after-free in the Graphics component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7.
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