Heap Buffer Overflow in GPAC MP4Box Affects Video Processing Applications
CVE-2025-55645

5.5MEDIUM

Key Information:

Vendor

GPAC

Status
MP4Box
Vendor
CVE Published:
15 June 2026

What is CVE-2025-55645?

A heap buffer overflow vulnerability exists in the gf_cenc_set_pssh function within GPAC MP4Box v2.4. This flaw can be exploited by attackers through specially crafted MP4 files, potentially leading to Denial of Service (DoS) conditions in affected applications, compromising video processing functionality.

References

https://infosec.exchange/@sigdevel/116736802253007654

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

.