High severity · published Jun 9, 2026
CVE-2025-55657
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…
7.5
CVSS
0.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GP
Gpac · Gpac
2.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-55657
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-55657
Exploit
https://infosec.exchange/@sigdevel/116710754169365223
www.openwall.com
http://www.openwall.com/lists/oss-security/2026/06/13/16
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