PT-2026-39542

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.7.8 Description A flaw in the SMF component allows remote attackers to cause a denial of service. The issue exists within the update authorized pcc rule and qos function located in the /src/smf/npcf-handler.c file...

CVE-2025-56568

Assertion failure vulnerability in the PCO Protocol Configuration Options parser in the SMF Session Management Function component of Open5GS before v2.7.5 allows remote attackers to cause denial of service via specially crafted NGAP messages containing malformed length fields in protocol...

CVE-2025-56568

Assertion failure vulnerability in the PCO Protocol Configuration Options parser in the SMF Session Management Function component of Open5GS before v2.7.5 allows remote attackers to cause denial of service via specially crafted NGAP messages containing malformed length fields in protocol...

PT-2026-36167

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.7.5 Description An assertion failure in the PCO Protocol Configuration Options parser within the SMF Session Management Function component allows remote attackers to cause a denial of service. This occurs when the...

CVE-2026-2517

A security flaw has been discovered in Open5GS up to 2.7.6. This vulnerability affects the function ogsgtp2parsetft in the library lib/gtp/v2/types.c of the component SMF. Performing a manipulation of the argument pf0.content.length results in denial of service. The attack is possible to be carri...

CVE-2026-2523

Open5GS Open5GS (up to 2.7.6) is affected in the SMF path, specifically the smf_gn_handle_create_pdp_context_request function in src/smf/gn-handler.c. The issue is a manipulation that leads to a reachable assertion, allowing remote exploitation. Public exploits exist and disclosure occurred with ...

CVE-2026-2523

A vulnerability was detected in Open5GS up to 2.7.6. The affected element is the function smfgnhandlecreatepdpcontextrequest of the file /src/smf/gn-handler.c of the component SMF. The manipulation results in reachable assertion. It is possible to launch the attack remotely. The exploit is now...

CVE-2026-2517

A security flaw has been discovered in Open5GS up to 2.7.6. This vulnerability affects the function ogsgtp2parsetft in the library lib/gtp/v2/types.c of the component SMF. Performing a manipulation of the argument pf0.content.length results in denial of service. The attack is possible to be carri...

CVE-2026-2517

Open5GS vulnerable up to version 2.7.6 due to a flaw in the SMF component. The issue is in ogs_gtp2_parse_tft (library lib/gtp/v2/types.c) where manipulating pf[0].content.length can cause a denial of service. Exploitation can be performed remotely, and public proof-of-concept code exists. The vu...

CVE-2026-2517

A security flaw has been discovered in Open5GS up to 2.7.6. This vulnerability affects the function ogsgtp2parsetft in the library lib/gtp/v2/types.c of the component SMF. Performing a manipulation of the argument pf0.content.length results in denial of service. The attack is possible to be carri...

CVE-2026-2517 Open5GS SMF types.c ogs_gtp2_parse_tft denial of service

A security flaw has been discovered in Open5GS up to 2.7.6. This vulnerability affects the function ogsgtp2parsetft in the library lib/gtp/v2/types.c of the component SMF. Performing a manipulation of the argument pf0.content.length results in denial of service. The attack is possible to be carri...

PT-2026-8238

A security flaw has been discovered in Open5GS up to 2.7.6. This vulnerability affects the function ogs gtp2 parse tft in the library lib/gtp/v2/types.c of the component SMF. Performing a manipulation of the argument pf0.content.length results in denial of service. The attack is possible to be...

CVE-2026-1974

A vulnerability was identified in Free5GC up to 4.1.0. This affects the function ResolveNodeIdToIp of the file internal/sbi/processor/datapath.go of the component SMF. The manipulation leads to denial of service. Remote exploitation of the attack is possible. The exploit is publicly available and...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference via the SessionDeletionResponse function of the SMF component. An attacker can cause a denial of service by sending specially crafted requests that trigger a null pointer dereference remotely. Remediation Upgrad...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference via the SessionDeletionResponse function of the SMF component. An attacker can cause a denial of service by sending specially crafted requests that trigger a null pointer dereference remotely. Remediation Upgrad...

CVE-2026-1976

CVE-2026-1976 affects Free5GC up to version 4.1.0, specifically the SMF component’s function SessionDeletionResponse. The vulnerability is a null pointer dereference caused by the manipulation, with remote exploitation possible. Public exploits are available, and a patch is recommended to address...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference via the establishPfcpSession function. An attacker can cause a denial of service by sending specially crafted requests that trigger a null pointer dereference in the SMF component. Remediation Upgrade...

Improper Resource Shutdown or Release

Overview Affected versions of this package are vulnerable to Improper Resource Shutdown or Release via the ResolveNodeIdToIp function in the SMF component. An attacker can cause a service disruption by sending specially crafted requests remotely. Remediation Upgrade...

CVE-2026-1974 Free5GC SMF datapath.go ResolveNodeIdToIp denial of service

A vulnerability was identified in Free5GC up to 4.1.0. This affects the function ResolveNodeIdToIp of the file internal/sbi/processor/datapath.go of the component SMF. The manipulation leads to denial of service. Remote exploitation of the attack is possible. The exploit is publicly available and...

CVE-2026-1974 Free5GC SMF datapath.go ResolveNodeIdToIp denial of service

A vulnerability was identified in Free5GC up to 4.1.0. This affects the function ResolveNodeIdToIp of the file internal/sbi/processor/datapath.go of the component SMF. The manipulation leads to denial of service. Remote exploitation of the attack is possible. The exploit is publicly available and...