Heap Buffer Overflow in GPAC MP4Box Affects Video Processing
CVE-2025-55664

5.5MEDIUM

Key Information:

Vendor

GPAC

Status
MP4Box
Vendor
CVE Published:
1 June 2026

What is CVE-2025-55664?

A heap buffer overflow vulnerability exists in the m2tsdmx_send_packet function of GPAC MP4Box version 2.4. This flaw can be exploited by attackers who craft specially designed MP4 files to execute a Denial of Service (DoS) attack, potentially disrupting the operation of the video processing application. Prompt application of available patches is recommended to mitigate this threat.

References

https://github.com/gpac/gpac/issues/3310
https://github.com/gpac/gpac/commit/9bd6a72c9efc0513dfd33...
https://infosec.exchange/@sigdevel/116659245751279377

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

.