CVE-2025-55643

MediumCVSS 5.5/10Last modified Oct 12, 2026

Description

A NULL pointer dereference in the TrackWriter handling component (filters/mux_isom.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

No affected versions have been published.

Timeline

Published
Jun 15, 2026
Last modified
Oct 12, 2026
NVD status
Analyzed

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CVE-2025-55643: Medium severity, CVSS 5.5 | Vulnix