GPAC 2.4 MP4Box odf/descriptors.c gf_odf_vvc_cfg_write_bs null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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3.5$0-$5k1.27

Summaryinfo

A vulnerability was found in GPAC 2.4. It has been classified as problematic. This issue affects the function gf_odf_vvc_cfg_write_bs of the file odf/descriptors.c of the component MP4Box. The manipulation leads to null pointer dereference. This vulnerability is uniquely identified as CVE-2025-55657. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in GPAC 2.4. This issue affects the function gf_odf_vvc_cfg_write_bs of the file odf/descriptors.c of the component MP4Box. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:

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.

The advisory is shared at infosec.exchange. The identification of this vulnerability is CVE-2025-55657 since 08/13/2025. Technical details are known, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/13/2025 CVE reserved
06/09/2026 +300 days Advisory disclosed
06/09/2026 +0 days VulDB entry created
06/09/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: infosec.exchange
Status: Not defined

CVE: CVE-2025-55657 (🔒)
GCVE (CVE): GCVE-0-2025-55657
GCVE (VulDB): GCVE-100-369857

Entryinfo

Created: 06/09/2026 21:15
Changes: 06/09/2026 21:15 (55)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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