CVE-2026-117889 PUBLISHED

Incorrect boundary conditions in the JavaScript Engine component

Assigner: mozilla
Reserved: 27.10.2026 Published: 27.10.2026 Updated: 27.10.2026

Incorrect boundary conditions in the JavaScript Engine component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

Product Status

Vendor Mozilla
Product Firefox
Versions
  • unaffected from 115.44 to 115.* (incl.)
  • unaffected from 153.6 to 153.* (incl.)
  • unaffected from 159 to * (incl.)
Vendor Mozilla
Product Thunderbird
Versions
  • unaffected from 153.6 to 153.* (incl.)
  • unaffected from 159 to * (incl.)

Credits

  • Mozilla

References