CVE-2025-55643 | A NULL pointer dereference in the TrackWriter handling compo… | CVSS 5.5 MEDIUM

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.

Metadata

CVE ID: CVE-2025-55643
State: PUBLISHED
Assigner: mitre
Reserved: 2025-08-13 00:00 UTC
Published: 2026-06-15 00:00 UTC
Last updated: 2026-06-15 20:15 UTC
Primary CWE: CWE-476
CWE-476 NULL Pointer Dereference
Vendor / Product: n/a / n/a
Sources: cve.org · NVD

Severity & Metrics

5.5 MEDIUM CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
n/a	n/a	—	n/a

Weakness (CWE)

CWE	Source	Description
—	cna	n/a
CWE-476	adp	CWE-476 NULL Pointer Dereference

CVSS scores (1)

Score	Severity	Version	Source	Vector
5.5	MEDIUM	3.1	adp	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References (1)

https://infosec.exchange/@sigdevel/116736819671963019