NVD · CVE-2025-55643

CVE-2025-55643

Published: Mon, 15 Jun 2026 20:16

CVE-2025-55643

Summary

A NULL pointer dereference in the TrackWriter handling component (filters/mux_isom.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.

Are YOU affected by CVE-2025-55643?

5-second check on your actual server. Reads /etc/os-release, uname -r, and dpkg-query; matches against the live USN + Debian Security Tracker feeds; tells you whether CVE-2025-55643 (and any other live CVE) applies. Anonymous, no signup.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan Read the bash source first

References

https://infosec.exchange/@sigdevel/116736819671963019
http://www.openwall.com/lists/oss-security/2026/06/13/5

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