PT-2026-33954

CVE-2026-6768

Published

2026-04-21

Updated

2026-08-20

CVSS 2.0

Critical

MetricsAV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 150 Thunderbird versions prior to 150

Description A mitigation bypass exists in the Networking: Cookies component.

Recommendations Update Firefox to version 150. Update Thunderbird to version 150.

Exploitability

Fix

Impacts

Researchers

Vendors

Affected products

Weakness enumeration

Related identifiers

CLSA-2026-1787115646

OPENSUSE-SU-2026:10626-1

OPENSUSE-SU-2026:11373-1

Found an issue in the description? Have something to add? Feel free to write us 👾