Heap Buffer Overflow in GPAC MP4Box Affects Streaming Integrity
CVE-2025-55661

5.5MEDIUM

Key Information:

Vendor

GPAC

Status
MP4Box
Vendor
CVE Published:
15 June 2026

What is CVE-2025-55661?

A vulnerability in the Opus audio stream parser of GPAC MP4Box version 2.4 allows an attacker to exploit a heap buffer overflow. By sending a specially crafted MP4 file, attackers can cause a Denial of Service (DoS), compromising the integrity and availability of the audio streaming service. This flaw emphasizes the importance of validating input data to mitigate such security risks.

References

https://infosec.exchange/@sigdevel/116733907390103029

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

.