GPAC MP4Box isom_intern.c MergeFragment null pointer dereference_CVE-2026-9567

4.8 / 10

MEDIUM

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

Description

A security flaw has been discovered in GPAC up to 2.4.0. Affected is the function MergeFragment of the file src/isomedia/isom_intern.c of the component MP4Box. The manipulation results in null pointer dereference. The attack needs to be approached locally. The exploit has been released to the public and may be used for attacks. The patch is identified as 525bf1af642c30af04e4df5345e6d798c0a4d8a1. It is advisable to implement a patch to correct this issue.

Basic Information

ID CVE-2026-9567

Source VulDB

Published May 26, 2026 at 17:45

Modified May 26, 2026 at 18:23

Affected Product

Vendor n/a

Product GPAC

Version 2.0

Affected Versions n/a GPAC 2.0
n/a GPAC 2.1
n/a GPAC 2.2
n/a GPAC 2.3
n/a GPAC 2.4.0

CWE Classification

CWE-476 CWE-404

References

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    "lastseen": "",
    "description": "A security flaw has been discovered in GPAC up to 2.4.0. Affected is the function MergeFragment of the file src/isomedia/isom_intern.c of the component MP4Box. The manipulation results in null pointer dereference. The attack needs to be approached locally. The exploit has been released to the public and may be used for attacks. The patch is identified as 525bf1af642c30af04e4df5345e6d798c0a4d8a1. It is advisable to implement a patch to correct this issue.",
    "published": "2026-05-26T17:45:10.365Z",
    "modified": "2026-05-26T18:23:16.064Z",
    "type": "cve",
    "title": "GPAC MP4Box isom_intern.c MergeFragment null pointer dereference",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/365629\nhttps://vuldb.com/vuln/365629/cti\nhttps://vuldb.com/submit/816075\nhttps://github.com/gpac/gpac/issues/3549\nhttps://github.com/user-attachments/files/27196918/poc.zip\nhttps://github.com/makesoftwaresafe/gpac/commit/525bf1af642c30af04e4df5345e6d798c0a4d8a1\nhttps://github.com/gpac/gpac/",
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    "sourceData": "n/a GPAC 2.0\nn/a GPAC 2.1\nn/a GPAC 2.2\nn/a GPAC 2.3\nn/a GPAC 2.4.0",
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    "cvss": {
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