FIREFOX · CVE-2026-124869 · Other
NO FIX YET · SEE WHAT TO DO
A use-after-free bug in Firefox's DOM Core and HTML component lets memory be reused after it is freed. The sources do not say what an attacker can gain from it.
first public Nov 10, 2026 · 1 source
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Firefox installs older than the fixed versions are affected. The sources do not say whether specific configurations or content are needed to trigger it. Users on fixed versions can skip it.
Not affected if fixed-version
Who cares browser, firefox
160 and Firefox ESR 153.7160153.7Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7.
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