CVE-2026-2764 PUBLISHED

JIT miscompilation, use-after-free in the JavaScript Engine: JIT component

Assigner: mozilla
Reserved: 19.02.2026 Published: 24.02.2026 Updated: 24.02.2026

JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, and Firefox ESR < 140.8.

Product Status

Vendor Mozilla
Product Firefox
Versions
  • affected from unspecified to 148 (excl.)
Vendor Mozilla
Product Firefox ESR
Versions
  • affected from unspecified to 115.33 (excl.)
Vendor Mozilla
Product Firefox ESR
Versions
  • affected from unspecified to 140.8 (excl.)

Credits

  • Information to follow

References