CVE-2025-55652

MEDIUM

Published Jun 15, 2026 Modified Jun 17, 2026 CWE-122

Description

A heap buffer overflow in the gf_isom_vp_config_new function (isomedia/avc_ext.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.

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CVSS v3.1 Score

5.5

MEDIUM

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

EPSS — Exploit Prediction

0.0020

Probability of exploitation

0.10%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-122 CWE-122

Affected Products

Vendor	Product	Versions
gpac	gpac	< 26.02.0

References

Advisories & Patches

https://infosec.exchange/@sigdevel/116736829161374790

Exploits

https://infosec.exchange/@sigdevel/116736829161374790 http://www.openwall.com/lists/oss-security/2026/06/13/4

Frequently Asked Questions

What is CVE-2025-55652? +

A heap buffer overflow in the gf_isom_vp_config_new function (isomedia/avc_ext.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-55652? +

CVE-2025-55652 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0020, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2025-55652? +

CVE-2025-55652 affects products from gpac, specifically: gpac. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-55652? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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