What is GHSA-v7rj-wmp7-c87g?

GHSA-v7rj-wmp7-c87g is a security advisory published by GitHub Security Advisories with Medium severity. A NULL pointer dereference in the TrackWriter handling component (filters/mux_isom.c) of GPAC...

Which CVE IDs does GHSA-v7rj-wmp7-c87g cover?

GHSA-v7rj-wmp7-c87g covers the following CVE IDs: CVE-2025-55643. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-v7rj-wmp7-c87g?

GHSA-v7rj-wmp7-c87g has a CVSS v3 base score of 5.5, published by GitHub Security Advisories.

GHSA-v7rj-wmp7-c87gMediumCVSS 5.5

A NULL pointer dereference in the TrackWriter handling component (filters/mux_isom.c) of GPAC...

Vendor

GitHub Security Advisories

Published

June 15, 2026

Last Modified

June 15, 2026

🔗 CVE IDs covered (1)

CVE-2025-55643 →

📋 Description

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.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2025-55643
https://infosec.exchange/@sigdevel/116736819671963019
http://www.openwall.com/lists/oss-security/2026/06/13/5
https://github.com/advisories/GHSA-v7rj-wmp7-c87g