CVE-2026-125248

7 HIGHpublic exploit available

Published 2026-11-09 · Updated 2026-11-10

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

FFmpeg 9.0 through 9.0.2 contains an integer overflow vulnerability in libavcodec/ffv1enc_vulkan.c that undersizes the float remap GPU buffer for large frames. Attackers can supply large GBRPF32 or GBRAPF32 images or videos that, when transcoded to FFV1 with the Vulkan encoder, trigger out-of-bounds GPU memory writes causing crashes or memory corruption.

CVSS vector

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

Weaknesses

CWE-190

Public exploit & PoC references

https://github.com/FFmpeg/FFmpeg
https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/ffv1enc_vulkan.c#L330

All references

https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25136
https://github.com/FFmpeg/FFmpeg
https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/ffv1enc_vulkan.c#L330
https://www.vulncheck.com/advisories/ffmpeg-9.0-through-9.0.2-integer-overflow-via-ffv1-vulkan-encoder-remap-buffer

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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