FIREFOX · CVE-2026-124896 · Other
NO FIX YET · SEE WHAT TO DO
Firefox has an invalid pointer bug in its Layout: Text and Fonts component, which handles how text and fonts are drawn on a page. The sources do not say what an attacker can do with it beyond the memory error itself.
first public Nov 10, 2026 · 1 source
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Anyone running Firefox versions before 160 or ESR versions before 153.7 is affected. The sources do not say whether a web page alone can trigger the bug or whether user interaction is needed. Systems that do not run Firefox are not affected.
Not affected if firefox-160-or-later, firefox-esr-153.7-or-later
Who cares browser, desktop, firefox
firefox --version on the command line.160 or Firefox ESR 153.7.160153.7Invalid pointer in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7.
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