What is GHSA-63vp-58qx-xx8w?

GHSA-63vp-58qx-xx8w is a security advisory published by GitHub Security Advisories with Medium severity. A NULL pointer dereference in the gf_isom_copy_sample_info function (isomedia/isom_write.c) of...

Which CVE IDs does GHSA-63vp-58qx-xx8w cover?

GHSA-63vp-58qx-xx8w covers the following CVE IDs: CVE-2025-55641. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-63vp-58qx-xx8w?

GHSA-63vp-58qx-xx8w has a CVSS v3 base score of 5.5, published by GitHub Security Advisories.

GHSA-63vp-58qx-xx8wMediumCVSS 5.5

A NULL pointer dereference in the gf_isom_copy_sample_info function (isomedia/isom_write.c) of...

Vendor

GitHub Security Advisories

Published

June 15, 2026

Last Modified

June 15, 2026

🔗 CVE IDs covered (1)

CVE-2025-55641 →

📋 Description

A NULL pointer dereference in the gf_isom_copy_sample_info function (isomedia/isom_write.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-2025-55641
https://infosec.exchange/@sigdevel/116736775314270129
http://www.openwall.com/lists/oss-security/2026/06/13/9
https://github.com/advisories/GHSA-63vp-58qx-xx8w