Open5GS up to 2.7.5 lib/sbi/message.c parse_multipart null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Open5GS up to 2.7.5 and classified as problematic. Affected is the function parse_multipart in the library lib/sbi/message.c. Executing a manipulation can lead to null pointer dereference. The identification of this vulnerability is CVE-2025-55904. There is no exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Open5GS up to 2.7.5. It has been declared as problematic. This vulnerability affects the function parse_multipart in the library lib/sbi/message.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. CVE summarizes:

Open5GS v2.7.5, prior to commit 67ba7f92bbd7a378954895d96d9d7b05d5b64615, is vulnerable to a NULL pointer dereference when a multipart/related HTTP POST request with an empty HTTP body is sent to the SBI of either AMF, AUSF, BSF, NRF, NSSF, PCF, SMF, UDM, or UDR, resulting in a denial of service. This occurs in the parse_multipart function in lib/sbi/message.c.

The advisory is shared for download at github.com. This vulnerability was named CVE-2025-55904 since 08/16/2025. There are known technical details, but no exploit is available.

Applying the patch 67ba7f92bbd7a378954895d96d9d7b05d5b64615 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-29720). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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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

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 67ba7f92bbd7a378954895d96d9d7b05d5b64615

Timelineinfo

08/16/2025 CVE reserved
09/17/2025 +32 days Advisory disclosed
09/17/2025 +0 days VulDB entry created
09/17/2025 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 3942
Status: Confirmed

CVE: CVE-2025-55904 (🔒)
GCVE (CVE): GCVE-0-2025-55904
GCVE (VulDB): GCVE-100-324664
EUVD: 🔒

Entryinfo

Created: 09/17/2025 16:24
Updated: 09/17/2025 17:08
Changes: 09/17/2025 16:24 (57), 09/17/2025 17:08 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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