Heap Use-After-Free Vulnerability in GPAC MP4Box
CVE-2025-55644

5.5MEDIUM

Key Information:

Vendor

GPAC

Status
MP4Box
Vendor
CVE Published:
15 June 2026

What is CVE-2025-55644?

A heap use-after-free vulnerability exists in the gf_node_get_tag function of GPAC MP4Box v2.4. This flaw can be exploited by attackers who supply specially crafted MP4 files, leading to a Denial of Service. When the application attempts to process such a file, the mishandling of memory can result in a crash or other unintended behavior, making the system unstable and inaccessible to legitimate users.

References

https://infosec.exchange/@sigdevel/116736836762980573

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

.