PT-2026-27422

CVE-2026-4724

Published

2026-03-24

Updated

2026-07-25

CVSS 2.0

9.4

Critical

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

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 149 Thunderbird versions prior to 149

Description An undefined behavior issue exists in the Audio/Video component. This can lead to unexpected program behavior.

Recommendations Update Firefox to version 149 or later. Update Thunderbird to version 149 or later.

Exploitability

Fix

Impacts

Researchers

Vendors

Affected products

Weakness enumeration

Related identifiers

OPENSUSE-SU-2026:10458-1

OPENSUSE-SU-2026:11373-1

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