CVE-2026-125195

LowCVSS 2.5/10Last modified Nov 10, 2026

Description

FFmpeg through 9.0.2 contains an uninitialized memory disclosure vulnerability in adpcm_encode_frame() in libavcodec/adpcmenc.c that leaks heap bytes when encoding mono ADPCM_MS audio with trellis enabled. Attackers submitting audio to a service using this encoding receive output packets where about half of each block contains stale heap memory from the encoding process.

Metrics

CVSS 3.1 2.5/10CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-908

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published: Nov 9, 2026
Last modified: Nov 10, 2026
NVD status: Awaiting Analysis

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