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CVE-2026-74986

Site isolation issue in the CSS Parsing and Computation component PUBLISHED

Description (CNA)

Site isolation issue in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

Affected (CNA)

Vendor / productVersions
Mozilla / Firefoxunaffected 153.1 through 153.*; unaffected 154 through *
Mozilla / Thunderbirdunaffected 153.1 through 153.*; unaffected 154 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.