PT-2025-30490

CVE-2025-8043

Published

2025-07-22

Updated

2026-09-30

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 141 Thunderbird versions prior to 141

Description The software incorrectly truncated URLs towards the beginning instead of around the origin.

Recommendations Update Firefox to version 141 or later. Update Thunderbird to version 141 or later.

Exploitability

Exploit

Fix

Impacts

Researchers

Vendors

Affected products

Weakness enumeration

Related identifiers

ALT-PU-2025-10124

ALT-PU-2025-11495

ALT-PU-2025-11497

ALT-PU-2025-9988

CLSA-2026-1787115646

OPENSUSE-SU-2025:15386-1

OPENSUSE-SU-2026:11373-1

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