CVE Field Guide
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CVE-2026-100793
PUBLISHED
JIT miscompilation in the JavaScript Engine component
Assigner:
mozilla
Reserved:
26.09.2026
Published:
29.09.2026
Updated:
29.09.2026
JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Firefox 157.
Product Status
Vendor
Mozilla
Product
Firefox
Versions
unaffected from 157 to * (incl.)
Credits
Amy Burnett of OpenAI
References
https://bugzilla.mozilla.org/show_bug.cgi?id=2073268
https://www.mozilla.org/security/advisories/mfsa2026-97/