P5Verified

CVE-2026-107678: FFmpeg 0 through 9.0.2

CVE-2026-107678. CVSS 3.1 base score 4.7 (MEDIUM, Vendor/CNA).

Affected technology

FFmpeg · 0 through 9.0.2
FFmpeg

Description’s affected range: through 9.0.2

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Local · No privileges required · Passive user interaction

What an attacker can do

Attackers can supply a crafted MP4 file with tens of thousands of small pssh boxes to exhaust the stack and crash the process, while also causing quadratic CPU consumption. Vendor/CNA’s CVSS 4.0 assessment (base score 5.7/10) rates confidentiality and integrity impact as none; availability impact as high.

Published 2026-10-08 17:35:18.702501+00:00

CWE: CWE-674
CCR priority: 18.8 /100 (P5)
CVSS 3.1: 4.7 /10 · CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H · Vendor/CNA
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-08 18:34:48.508309+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-107678.html