Medium severity5.5NVD Advisory· Published Nov 9, 2026

CVE-2026-125104

Description

FFmpeg through 9.0.2 contains a memory exhaustion vulnerability in ape_decode_frame() in libavcodec/apedec.c that fails to enforce the 73728-sample limit for legacy APE frames. Attackers can supply a crafted legacy Monkey's Audio file declaring an enormous nblocks value to force gigabyte-scale allocations and cause denial of service.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

FFmpeg/Ffmpegllm-fuzzy
Range: <=9.0.2

Patches

Vulnerability mechanics

References

code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25703nvd
github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/apedec.cnvd
github.com/FFmpeg/FFmpeg/commit/968e9e948ed8c9ba90dbc875e60b843c755cf4banvd
www.vulncheck.com/advisories/ffmpeg-through-9.0.2-memory-exhaustion-dos-via-ape-decoder-apedec-cnvd

News mentions

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cvss	0.358
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000