CVE-2025-55643

MEDIUM

GPAC MP4Box 2.4 - Denial of Service via NULL Pointer Dereference in TrackWriter

Title source: llm

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.

References (2)

Core 2

Core References

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

Mailing List

http://www.openwall.com/lists/oss-security/2026/06/13/5

Scores

CVSS v3 5.5

EPSS 0.0015

EPSS Percentile 4.6%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-476

Status published

Products (1)

gpac/gpac < 26.02.0

Published Jun 15, 2026

Tracked Since Jun 16, 2026