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CVE-2026-6751

Uninitialized memory in the Audio/Video: Web Codecs component PUBLISHED

Description (CNA)

Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Affected (CNA)

Vendor / productVersions
Mozilla / Firefoxunaffected 140.10 through 140.*; unaffected 150 through *
Mozilla / Thunderbirdunaffected 140.10 through 140.*; unaffected 150 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

redhat-SADP

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Uninitialized memory in the Audio/Video: Web Codecs component