CVE-2025-55654: GPAC MP4Box use-after-free in gf_filter_pid_get_packet

CVE-2025-55654 · Severity: info · Published 2026-10-19

GPAC MP4Box is a multimedia processing tool that handles video and audio file formats. A use-after-free memory vulnerability in packet filtering logic allows an attacker to crash the application by providing a specially crafted media file, disrupting media processing workflows.

Technologies: Gpac MP4Box. Vendors: Gpac.

Quick answers

Is CVE-2025-55654 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-55654 being exploited in the wild.
How severe is CVE-2025-55654?
Informational severity, published 19 October 2026.
Which products and versions are affected?
Gpac MP4Box v2.4.
Is there a fix for CVE-2025-55654?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2025-55654 attacked?
It is attacked with local access, in a software library.
Am I affected by CVE-2025-55654?
Check whether you run Gpac MP4Box at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A use-after-free vulnerability exists in the gf_filter_pid_get_packet function within filter_core/filter_pid.c, triggered by processing a crafted media file. The vulnerability is reachable via local file input and results in denial of service through application crash. A fix has been released in the GPAC repository.

Affected products

  • GPAC MP4Box v2.4

Timeline

  • 2026-10-19: disclosed

References

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