NULL pointer dereference in Open5gs
CVE-2025-55904
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.
EPSS: 0.002 (9.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Open5gs
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch)
- cve@mitre.org (Exploit, Issue Tracking)
- cve@mitre.org (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-55904?
- CVE-2025-55904 is a medium-severity vulnerability in Open5gs, classified under NULL Pointer Dereference. CVSS score: 4.0/10. Published 2025-09-17.
- How severe is CVE-2025-55904?
- Medium severity. CVSS v3 base score is 4.0 out of 10.
- Is CVE-2025-55904 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.