What is GHSA-4wxp-p2xq-9854?

GHSA-4wxp-p2xq-9854 is a security advisory published by GitHub Security Advisories with Medium severity. A NULL pointer dereference in the gf_isom_get_user_data_count function (isomedia/isom_read.c) of...

Which CVE IDs does GHSA-4wxp-p2xq-9854 cover?

GHSA-4wxp-p2xq-9854 covers the following CVE IDs: CVE-2025-55651. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4wxp-p2xq-9854?

GHSA-4wxp-p2xq-9854 has a CVSS v3 base score of 5.5, published by GitHub Security Advisories.

GHSA-4wxp-p2xq-9854MediumCVSS 5.5

A NULL pointer dereference in the gf_isom_get_user_data_count function (isomedia/isom_read.c) of...

Vendor

GitHub Security Advisories

Published

June 9, 2026

Last Modified

June 10, 2026

🔗 CVE IDs covered (1)

CVE-2025-55651 →

📋 Description

A NULL pointer dereference in the gf_isom_get_user_data_count function (isomedia/isom_read.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-2025-55651
https://infosec.exchange/@sigdevel/116710512103919834
https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/4/4_poc.mp4
https://github.com/advisories/GHSA-4wxp-p2xq-9854