CVE-2026-44323 free5GC: UDR nudr-dr DELETE amf-subscriptions panics on missing subsId when UE state exists (nil pointer dereference)

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's UDR nudr-dr DELETE /subscription-data/ueId/servingPlmnId/ee-subscriptions/subsId/amf-subscriptions handler contains a nil-pointer dereference reachable from a single authenticated request, after one...

CVE-2026-44323 free5GC: UDR nudr-dr DELETE amf-subscriptions panics on missing subsId when UE state exists (nil pointer dereference)

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's UDR nudr-dr DELETE /subscription-data/ueId/servingPlmnId/ee-subscriptions/subsId/amf-subscriptions handler contains a nil-pointer dereference reachable from a single authenticated request, after one...

CVE-2026-44324 free5GC: UDR nudr-dr DELETE amf-subscriptions panics on missing UE state via nil interface type assertion (single authenticated request)

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's UDR nudr-dr DELETE /subscription-data/ueId/servingPlmnId/ee-subscriptions/subsId/amf-subscriptions handler panics on a single authenticated request against a fresh UDR instance when the supplied ueId does n...

CVE-2026-44324

Summary (concrete details available) CVE-2026-44324 affects free5GC’s UDR component (v4.2.1 and prior). The vulnerable handler is the nudr-dr DELETE /subscription-data/{ueId}/{servingPlmnId}/ee-subscriptions/{subsId}/amf-subscriptions. When ueId is missing from UESubsCollection, the code sets a 4...

CVE-2026-44323: NULL Pointer Dereference

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's UDR nudr-dr DELETE /subscription-data/ueId/servingPlmnId/ee-subscriptions/subsId/amf-subscriptions handler contains a nil-pointer dereference reachable from a single authenticated request, after one...

CVE-2026-42081: Improperly Implemented Security Check for Standard

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, the AMF in Free5GC does not verify the UE Security Capabilities received in NGAP PathSwitchRequest messages against its locally stored values, as mandated by 3GPP TS 33.501 §6.7.3.1. A malicious gNB can overwrite the...

CVE-2026-42082: Improperly Implemented Security Check for Standard

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, the AMF in Free5GC does not enforce the concurrent security procedure rules defined in 3GPP TS 33.501 §6.9.5.1. The AMF does not check for ongoing N2 handover procedures before initiating a NAS Security Mode Command,...

free5GC 安全特征问题漏洞

free5GC is an open-source project for the 5th generation 5G mobile core network. Versions of free5GC prior to 4.2.2 contained security feature vulnerabilities. These vulnerabilities stemmed from AMF not implementing the concurrent security procedures defined in 3GPP TS 33.501, which could lead to...

omec-project amf Vulnerable to Improper Restriction of Operations within the Bounds of a Memory Buffer

A vulnerability was found in omec-project amf up to 2.1.1. This vulnerability affects unknown code of the component NGReset Message Handler. Performing a manipulation results in memory corruption. The attack is possible to be carried out remotely. The exploit has been made public and could be use...

GHSA-6P7M-C3MW-4GMW omec-project amf Vulnerable to Improper Restriction of Operations within the Bounds of a Memory Buffer

A vulnerability has been found in omec-project amf up to 2.1.1. This affects an unknown part of the component NGSetupRequest Handler. Such manipulation leads to memory corruption. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. It is best practic...

GHSA-QM7Q-RCM2-3FRC omec-project amf Vulnerable to Improper Restriction of Operations within the Bounds of a Memory Buffer

A vulnerability was found in omec-project amf up to 2.1.1. This vulnerability affects unknown code of the component NGReset Message Handler. Performing a manipulation results in memory corruption. The attack is possible to be carried out remotely. The exploit has been made public and could be use...

omec-project amf Vulnerable to Improper Restriction of Operations within the Bounds of a Memory Buffer

A vulnerability has been found in omec-project amf up to 2.1.1. This affects an unknown part of the component NGSetupRequest Handler. Such manipulation leads to memory corruption. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. It is best practic...

omec-project amf Vulnerable to Improper Restriction of Operations within the Bounds of a Memory Buffer

A flaw has been found in omec-project amf up to 2.1.1. Affected by this issue is the function PDUSessionResourceModifyIndication of the file /go/src/amf/ngap/handler.go. This manipulation causes memory corruption. Remote exploitation of the attack is possible. The exploit has been published and m...

CVE-2026-9298

A flaw was found in omec-project amf. A remote attacker could exploit an unknown functionality within the PathSwitchRequest Handler component, leading to memory corruption...

Buffer Overflow

Overview Affected versions of this package are vulnerable to Buffer Overflow via the NGReset Message Handler process. An attacker can cause memory corruption and potentially impact confidentiality, integrity, and availability by sending specially crafted messages remotely. Remediation Upgrade...

CVE-2026-9301

A vulnerability was found in omec-project amf up to 2.1.1. This vulnerability affects unknown code of the component NGReset Message Handler. Performing a manipulation results in memory corruption. The attack is possible to be carried out remotely. The exploit has been made public and could be use...

Buffer Overflow

Overview Affected versions of this package are vulnerable to Buffer Overflow in the PathSwitchRequest process. An attacker can cause memory corruption by sending specially crafted requests remotely to the affected component. Remediation Upgrade github.com/omec-project/amf/ngap to version 2.2.0 or...

Buffer Overflow

Overview Affected versions of this package are vulnerable to Buffer Overflow in the PathSwitchRequest process. An attacker can cause memory corruption by sending specially crafted requests remotely to the affected component. Remediation Upgrade github.com/omec-project/amf/util to version 2.2.0 or...

Out-of-Bounds

Overview Affected versions of this package are vulnerable to Out-of-Bounds in the PDUSessionResourceModifyIndication function of the file handler.go. An attacker can cause memory corruption by sending specially crafted requests to the affected process. Remediation Upgrade...

Buffer Overflow

Overview Affected versions of this package are vulnerable to Buffer Overflow in the NGSetupRequest process. An attacker can cause memory corruption and potentially compromise confidentiality, integrity, and availability by sending specially crafted requests remotely. Remediation Upgrade...