PT-2025-37935 · Mozilla+1 · Thunderbird+2

·

CVE-2025-10534

·

Published

2025-09-16

·

Updated

2026-07-25

CVSS v2.0

9.4

High

VectorAV:N/AC:L/Au:N/C:C/I:C/A:N
Name of the Vulnerable Software and Affected Versions Firefox versions prior to 143 Thunderbird versions prior to 143
Description The software contains a flaw.
Recommendations Update Firefox to version 143 or later. Update Thunderbird to version 143 or later.

Fix

XSS

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

Weakness Enumeration

Related Identifiers

ALT-PU-2025-12559
ALT-PU-2025-12562
BDU:2025-11332
CVE-2025-10534
OPENSUSE-SU-2025:15565-1
OPENSUSE-SU-2026:11373-1

Affected Products

Alt Linux
Firefox
Thunderbird