CVE-2026-8121 Open5GS NSSF conv.c ogs_sbi_parse_plmn_list denial of service

A vulnerability has been found in Open5GS up to 2.7.7. The impacted element is the function ogssbiparseplmnlist in the library /lib/sbi/conv.c of the component NSSF. The manipulation leads to denial of service. The attack is possible to be carried out remotely. The exploit has been disclosed to t...

PT-2026-38603

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.7.8 Description A flaw in the NSSF component allows a local attacker to cause a denial of service through manipulation of the ogs sbi stream find by id function within the /lib/sbi/nghttp2-server.c library...

Open5GS 安全漏洞

Open5GS is an open-source implementation of 5G Core and EPC in C language, which serves as the core network for LTE/NR networks. Versions of Open5GS 2.7.7 and earlier contain security vulnerabilities. These vulnerabilities stem from the function ogssbiparseplmnlist in the component NSSF’s...

Open5GS 安全漏洞

Open5GS is an open-source implementation of 5G Core and EPC in C language, which serves as the core network for LTE/NR networks. Versions of Open5GS 2.7.7 and earlier contain security vulnerabilities. These vulnerabilities stem from the function ogssbistreamfindbyid in the component NSSF...

PT-2026-38606

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.7.8 Description A remote denial of service issue exists in the NSSF component. The flaw is located in the ogs sbi discovery option add service names function within the /lib/sbi/message.c library, where specific...

NSSF panic due to nil pointer dereference when expiry field is omitted in NSSAIAvailability POST

An issue was discovered in Free5GC v4.0.0 and v4.0.1 allowing an attacker to cause a denial of service via crafted POST request to the NnssfNSSAIAvailability API...