CVE-2026-100821

Summary

Site isolation issue in the Panning and Zooming component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefox115.42 <= 115.*unaffected
MozillaFirefox140.17 <= 140.*unaffected
MozillaFirefox153.4 <= 153.*unaffected
MozillaFirefox157 <= *unaffected

Weaknesses

References