CVE-2025-9951: FFmpeg < 8.0

CVE-2025-9951. EPSS 0.00443 (percentile 0.37162), scored 19-Oct-2026.

Affected technology

FFmpeg · < 8.0
FFmpeg

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

An attacker can potentially gain remote code execution or cause denial of service via the channel definition cdef atom of JPEG2000. Vendor/CNA’s CVSS 4.0 assessment (base score 7.2/10) rates confidentiality impact as none; integrity and availability impact as high.

Published 19-Oct-2026 17:59 UTC

CWE: CWE-122
CCR priority: 0.1 /100 (P5)
EPSS: 0.00443 · percentile 0.37162 · 2026-10-19
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-19 17:57:47.606446+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-9951.html