PT-2026-33964 · Mozilla · Firefox+1

CVE-2026-6778

Published

2026-04-21

Updated

2026-07-25

CVSS v3.1

5.3

Medium

Vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

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

Description An invalid pointer issue exists within the Audio/Video: Playback component.

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

Fix

DoS

Access of Uninitialized Pointer

NULL Pointer Dereference

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BDU:2026-06952

CVE-2026-6778

OPENSUSE-SU-2026:10626-1

OPENSUSE-SU-2026:11373-1

Firefox

Thunderbird