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Vulnerability record · CVE-2025-55657 · published 9 June 2026

CVE-2025-55657: Gpac null pointer dereference vulnerability

Gpac · Gpac

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

7.5 CVSS 3.1 High EPSS 0.47% · top 62.1% CWE-476 · NULL pointer dereference
7.5CVSS 3.1 base score
0.47%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 1 tagged exploit
23 Jul 2026Last modified by NVD

Description

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

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://infosec.exchange/@sigdevel/116710754169365223 ExploitMitigationThird Party Advisory
http://www.openwall.com/lists/oss-security/2026/06/13/16

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-46427Gpac null pointer dereference vulnerabilityAn issue was discovered in gpac version 2.3-DEV-rev588-g7edc40fee-master, allows remote attackers to execute arbitrary code, cause a denial of servic…EPSS 1.1%9.8CVE-2024-0321Gpac stack-based buffer overflow vulnerabilityStack-based Buffer Overflow in GitHub repository gpac/gpac prior to 2.3-DEV.EPSS 1.0%9.8CVE-2023-46932Gpac out-of-bounds write vulnerabilityHeap Buffer Overflow vulnerability in GPAC version 2.3-DEV-rev617-g671976fcc-master, allows attackers to execute arbitrary code and cause a denial of…EPSS 1.1%9.8CVE-2023-2840Gpac null pointer dereference vulnerabilityNULL Pointer Dereference in GitHub repository gpac/gpac prior to 2.2.2.EPSS 0.65%9.8CVE-2022-36190Gpac use after free vulnerabilityGPAC mp4box 2.1-DEV-revUNKNOWN-master has a use-after-free vulnerability in function gf_isom_dovi_config_get. This vulnerability was fixed in commit …EPSS 1.1%9.8CVE-2022-1795Gpac use after free vulnerabilityUse After Free in GitHub repository gpac/gpac prior to v2.1.0-DEV.EPSS 1.0%9.8CVE-2021-28300Gpac null pointer dereference vulnerabilityNULL Pointer Dereference in the "isomedia/track.c" module's "MergeTrack()" function of GPAC v0.5.2 allows attackers to execute arbitrary code or caus…EPSS 2.1%9.8CVE-2020-11558Gpac use after free vulnerabilityAn issue was discovered in libgpac.a in GPAC 0.8.0, as demonstrated by MP4Box. audio_sample_entry_Read in isomedia/box_code_base.c does not properly …EPSS 1.5%

Source: NIST National Vulnerability Database (record CVE-2025-55657), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.