CVE-2026-113400
MediumCVSS 5.4Summary
An uninitialized memory vulnerability in the Audio/Video: cubeb component of Firefox and Thunderbird. The issue was fixed in Firefox 158.0.1 and Thunderbird 158.0.1.
Risk Assessment
Could lead to memory disclosure or application instability during media playback. Updating is required to avoid potential exploitation.
Recommendation
Update Firefox and Thunderbird to version 158.0.1 or later.
Other vulnerabilities in Firefox and Thunderbird
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Use-after-free vulnerability in the JavaScript: GC component of Firefox and Thunderbird. It may lead to undefined behavior or potential code execution. The vulnerability was fixed in Firefox 159 and Thunderbird 159.
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Privilege escalation vulnerability due to use-after-free in the WebRTC: Signaling component of Firefox and Thunderbird. It may lead to privilege escalation within the application context. The vulnerability was fixed in Firefox 159 and Thunderbird 159.
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Use-after-free vulnerability in the WebRTC: Signaling component of Firefox and Thunderbird. It may lead to undefined behavior or potential code execution. The vulnerability was fixed in Firefox 159 and Thunderbird 159.
Original NVD description (English source)
Uninitialized memory in the Audio/Video: cubeb component. This vulnerability was fixed in Firefox 158.0.1 and Thunderbird 158.0.1.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS