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CVE-2026-33144

5.8 · MEDIUM

GPAC is an open-source multimedia framework.

Published Mar 20, 2026CWE-787EPSS 0.18%

Overview

CVE-2026-33144 is a medium-severity vulnerability. It was published on March 20, 2026 and has a CVSS 3.1 base score of 5.8 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.8, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

GPAC is an open-source multimedia framework. Prior to commit 86b0e36, a heap-based buffer overflow (write) vulnerability was discovered in GPAC MP4Box. The vulnerability exists in the gf_xml_parse_bit_sequence_bs function in utils/xml_bin_custom.c when processing a crafted NHML file containing malicious <BS> (BitSequence) elements. An attacker can exploit this by providing a specially crafted NHML file, causing an out-of-bounds write on the heap. This issue has been via commit 86b0e36.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

GitHubgithub.com/gpac/gpac/commit/86b0e36ea4c71402fbdaf7e13d73ba8841003e72GitHubgithub.com/gpac/gpac/security/advisories/GHSA-3jw5-9pmw-vmfgGitHubgithub.com/gpac/gpac/security/advisories/GHSA-3jw5-9pmw-vmfg

How CyberStrike helps

Frequently asked questions

What is CVE-2026-33144?

CVE-2026-33144 is a medium-severity vulnerability. It was published on March 20, 2026 and has a CVSS 3.1 base score of 5.8 (MEDIUM).

How severe is CVE-2026-33144?

This vulnerability has a CVSS 3.1 base score of 5.8, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-33144?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2026-33144?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-33144 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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