CVE-2026-125237

FFmpeg 8.1 through 9.0.2 Denial of Service via DPX Vulkan Hwaccel Error Path

FFmpeg 8.1 through 9.0.2 contains a denial of service vulnerability in libavcodec/dpx.c that leaves dpx->hwaccel_picture_private allocated when Vulkan hwaccel callbacks fail. Attackers can supply crafted DPX images that make start_frame, decode_slice or end_frame fail, triggering an av_assert0 abort on the next frame and terminating the decoding application.

Public vulnerability details

Record state: Published
Published (UTC): 2026-11-09T19:11:47.226Z
Last updated (UTC): 2026-11-09T21:06:53.791Z
Assigned by: VulnCheck
CVSS score: 5.7 (CVSS v4.0, from VulnCheck)
Severity: MEDIUM
CISA KEV: No KEV entry in this record. This does not show that the CVE is absent from the KEV catalog.
Additional data from: CISA-ADP

FHE assessment

No FHE assessment is available in this application yet. This does not mean FHE cannot mitigate an impact of this CVE.

References

https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25136 (VulnCheck)
https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/dpx.c#L786 (VulnCheck)
https://github.com/FFmpeg/FFmpeg (VulnCheck)
VulnCheck Advisory: FFmpeg 8.1 through 9.0.2 Denial of Service via DPX Vulkan Hwaccel Error Path (VulnCheck)

Source

CVE JSON 5.2 record from the CVE List archive 2026-11-09_delta_CVEs_at_end_of_day.zip, which covers changes through 2026-11-10T00:00:00.000Z. Imported 2026-11-10T16:59:46.967Z.