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CVE-2025-55659

6.5 · MEDIUM
Published Jun 9, 2026 gpac CWE-476

Overview

CVE-2025-55659 is a medium-severity vulnerability affecting gpac gpac. It was published on June 9, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

A NULL pointer dereference in the ctts_box_write function (isomedia/box_code_base.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.

Remediation

Check the references section for vendor advisories and patches from gpac. Update gpac to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status

References

Ref infosec.exchange/@sigdevel/116710743410087676 Ref www.openwall.com/lists/oss-security/2026/06/13/17

Frequently Asked Questions

What is CVE-2025-55659?

CVE-2025-55659 is a medium-severity vulnerability affecting gpac gpac. It was published on June 9, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-55659?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-55659?

Check the references section for vendor advisories and patches from gpac. Update gpac to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-55659?

CyberStrike's AI-powered security agents can automatically detect CVE-2025-55659 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

Autonomous Discovery

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HackBrowser

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