Medium severity4.7NVD Advisory· Published Nov 9, 2026

CVE-2026-125258

Description

FFmpeg through 9.0.2 contains a division by zero vulnerability in dovi_configure_ext() in libavcodec/dovi_rpuenc.c that allows attackers to crash the process via an unvalidated frame rate denominator. Attackers can supply a crafted HEVC or AV1 input with a nonzero frame rate numerator and zero denominator to the dovi_rpu bitstream filter or libx265, libaom, or libsvtav1 encoders, causing 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/25408nvd
github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/dovi_rpuenc.cnvd
github.com/FFmpeg/FFmpeg/commit/ab28d57ba2ec07b41b4a60ed8806b13a39ec86fenvd
www.vulncheck.com/advisories/ffmpeg-through-9.0.2-division-by-zero-via-dovi-configure-ext-in-dovi-rpuenc-cnvd

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cvss	0.306
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000