A NULL pointer dereference vulnerability exists in FFmpeg’s Firequalizer filter (libavfilter/af_firequalizer.c) due to a missing check on the return value of av_malloc_array() in the config_input() function. An attacker could exploit this by tricking a victim into processing a crafted media file with the Firequalizer filter enabled, causing the application to dereference a NULL pointer and crash, leading to denial of service.
History

Wed, 18 Feb 2026 20:45:00 +0000

Type Values Removed Values Added
Description A NULL pointer dereference vulnerability exists in FFmpeg’s Firequalizer filter (libavfilter/af_firequalizer.c) due to a missing check on the return value of av_malloc_array() in the config_input() function. An attacker could exploit this by tricking a victim into processing a crafted media file with the Firequalizer filter enabled, causing the application to dereference a NULL pointer and crash, leading to denial of service.
Title Ffmpeg: null pointer dereference in firequalizer filter (libavfilter/af_firequalizer.c)
Weaknesses CWE-476
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}


cve-icon MITRE

Status: PUBLISHED

Assigner: fedora

Published:

Updated: 2026-02-18T20:26:46.867Z

Reserved: 2025-09-11T06:11:12.091Z

Link: CVE-2025-10256

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-18T21:16:20.183

Modified: 2026-02-18T21:16:20.183

Link: CVE-2025-10256

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.