PT-2026-76999 · Mozilla · Firefox+2

CVE-2026-74966

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Published

2026-08-18

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Updated

2026-08-31

CVSS v3.1

7.5

High

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Name of the Vulnerable Software and Affected Versions Firefox versions prior to 154 Firefox ESR versions prior to 153.1 Thunderbird versions prior to 154 Thunderbird versions prior to 153.1
Description An information disclosure issue exists within the Form Autofill component.
Recommendations Update Firefox to version 154. Update Firefox ESR to version 153.1. Update Thunderbird to version 154. Update Thunderbird to version 153.1.

Fix

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Weakness Enumeration

Related Identifiers

CVE-2026-74966
OPENSUSE-SU-2026:11546-1
OPENSUSE-SU-2026:11580-1
OPENSUSE-SU-2026:21713-1
SUSE-SU-2026:23411-1
SUSE-SU-2026:3658-1
SUSE-SU-2026:3683-1

Affected Products

Firefox
Firefox Esr
Thunderbird