NULL Pointer Dereference Vulnerability in GPAC MP4Box by GPAC
CVE-2025-55643

5.5MEDIUM

Key Information:

Vendor

GPAC

Status
MP4Box
Vendor
CVE Published:
15 June 2026

What is CVE-2025-55643?

A vulnerability in GPAC MP4Box version 2.4 arises from a NULL pointer dereference in the TrackWriter handling component. This flaw can be exploited by attackers sending specially crafted MP4 files, which may result in a Denial of Service (DoS) condition, thereby compromising system availability and functionality. Users of GPAC MP4Box should review their security posture and apply necessary mitigations.

References

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

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.