PT-2026-61896 · Mozilla · Firefox+1

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CVE-2026-16384

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Published

2026-07-21

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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 153 Thunderbird versions prior to 153
Description Information disclosure occurs due to uninitialized memory within the Graphics: WebGPU component. Uninitialized memory refers to a condition where a program uses a memory location before it has been assigned a specific value, potentially allowing the leakage of sensitive data from previous operations.
Recommendations Update Firefox to version 153. Update Thunderbird to version 153.

Fix

Use of Uninitialized Resource

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Weakness Enumeration

Related Identifiers

CVE-2026-16384
OPENSUSE-SU-2026:11358-1
OPENSUSE-SU-2026:11373-1
OPENSUSE-SU-2026:21713-1
SUSE-SU-2026:23411-1

Affected Products

Firefox
Thunderbird