CVE-2025-55651

5.5 MEDIUM

Published: June 09, 2026 Modified: June 14, 2026

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://infosec.exchange/@sigdevel/116710512103919834

Source: cve@mitre.org

Exploit Mitigation Third Party Advisory

http://www.openwall.com/lists/oss-security/2026/06/13/18

Source: af854a3a-2127-422b-91ae-364da2661108

https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/4/4_poc.mp4

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Exploit

3 reference(s) from NVD

Quick Stats

CVSS v3 Score

5.5 / 10.0

EPSS (Exploit Probability)

0.1%

4th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-476

Affected Vendors

gpac

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