CVE-2026-84119 PUBLISHED

Sandbox escape due to use-after-free in the DOM: Navigation component

Assigner: mozilla
Reserved: 01.09.2026 Published: 01.09.2026 Updated: 01.09.2026

Sandbox escape due to use-after-free in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, and Firefox ESR 153.2.

Product Status

Vendor Mozilla
Product Firefox
Versions
  • unaffected from 115.40 to 115.* (incl.)
  • unaffected from 140.15 to 140.* (incl.)
  • unaffected from 153.2 to 153.* (incl.)
  • unaffected from 155 to * (incl.)

Credits

  • Yaqoub Aldurayhim

References