free5GC 资源管理错误漏洞

free5GC is an open-source project for the 5th generation 5G mobile core network. Versions of free5GC prior to 1.4.3 contained a resource management vulnerability caused by a memory leak issue. This vulnerability allowed unauthenticated attackers to cause unlimited memory growth by sending repeate...

CVE-2026-41136

free5GC AMF provides Access & Mobility Management Function AMF for free5GC, an an open-source project for 5th generation 5G mobile core networks. Prior to version 1.4.3, the HTTPUEContextTransfer handler in internal/sbi/apicommunication.go does not include a default case in the Content-Type switc...

CVE-2026-41136 free5GC AMF missing default case in Content-Type switch in HTTPUEContextTransfer

free5GC AMF provides Access & Mobility Management Function AMF for free5GC, an an open-source project for 5th generation 5G mobile core networks. Prior to version 1.4.3, the HTTPUEContextTransfer handler in internal/sbi/apicommunication.go does not include a default case in the Content-Type switc...

CVE-2026-41136 free5GC AMF missing default case in Content-Type switch in HTTPUEContextTransfer

free5GC AMF provides Access & Mobility Management Function AMF for free5GC, an an open-source project for 5th generation 5G mobile core networks. Prior to version 1.4.3, the HTTPUEContextTransfer handler in internal/sbi/apicommunication.go does not include a default case in the Content-Type switc...

CVE-2026-41135 free5GC PCF: Memory Leak via CORS Middleware Registration in HTTP Handler Leads to Denial of Service

free5GC UDR is the Policy Control Function PCF for free5GC, an an open-source project for 5th generation 5G mobile core networks. A memory leak vulnerability in versions prior to 1.4.3 allows any unauthenticated attacker with network access to the PCF SBI interface to cause uncontrolled memory...

CVE-2026-41135 free5GC PCF: Memory Leak via CORS Middleware Registration in HTTP Handler Leads to Denial of Service

free5GC UDR is the Policy Control Function PCF for free5GC, an an open-source project for 5th generation 5G mobile core networks. A memory leak vulnerability in versions prior to 1.4.3 allows any unauthenticated attacker with network access to the PCF SBI interface to cause uncontrolled memory...

CVE-2026-41135

free5GC UDR is the Policy Control Function PCF for free5GC, an an open-source project for 5th generation 5G mobile core networks. A memory leak vulnerability in versions prior to 1.4.3 allows any unauthenticated attacker with network access to the PCF SBI interface to cause uncontrolled memory...

CVE-2026-41135 free5GC PCF: Memory Leak via CORS Middleware Registration in HTTP Handler Leads to Denial of Service

free5GC UDR is the Policy Control Function PCF for free5GC, an an open-source project for 5th generation 5G mobile core networks. A memory leak vulnerability in versions prior to 1.4.3 allows any unauthenticated attacker with network access to the PCF SBI interface to cause uncontrolled memory...

CVE-2026-40343 free5GC UDR: Fail-open handling in PolicyDataSubsToNotifyPost allows unintended subscription creation

free5GC UDR is the user data repository UDR for free5GC, an an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.2, a fail-open request handling flaw in the UDR service causes the /nudr-dr/v2/policy-data/subs-to-notify POST handler to continue...

CVE-2026-40343

free5GC UDR is the user data repository UDR for free5GC, an an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.2, a fail-open request handling flaw in the UDR service causes the /nudr-dr/v2/policy-data/subs-to-notify POST handler to continue...

CVE-2026-40343

CVE-2026-40343 concerns free5GC UDR (user data repository) in versions up to and including 1.4.2. The issue is a fail‑open handling flaw in the POST handler for /nudr-dr/v2/policy-data/subs-to-notify: after errors reading the request body or deserializing input, the handler does not terminate and...

free5GC UDR: Fail-open handling in PolicyDataSubsToNotifyPost allows unintended subscription creation

Summary A fail-open request handling flaw in the UDR service causes the /nudr-dr/v2/policy-data/subs-to-notify POST handler to continue processing requests even after request body retrieval or deserialization errors. This may allow unintended creation of Policy Data notification subscriptions wit...

CVE-2026-41136

creationtimestamp| type| source ---|---|--- 2026-04-21 02:29:19+00:00| published-proof-of-concept| https://github.com/free5gc/free5gc/security/advisories/GHSA-r99v-75p9-xqm5...

PT-2026-34224

Name of the Vulnerable Software and Affected Versions free5GC UDR versions prior to 1.4.3 Description A memory leak in the Policy Control Function PCF allows an unauthenticated attacker with network access to the PCF SBI interface to cause uncontrolled memory growth. By sending repeated HTTP...

PT-2026-34214

Name of the Vulnerable Software and Affected Versions free5GC UDR versions prior to 1.4.3 Description A fail-open request handling flaw exists in the UDR service. The POST handler for the endpoint '/nudr-dr/v2/policy-data/subs-to-notify' continues to process requests even after encountering error...

CVE-2026-40246

free5GC is an open-source implementation of the 5G core network. In versions 1.4.2 and below of the UDR service, the handler for deleting Traffic Influence Subscriptions checks whether the influenceId path segment equals subs-to-notify, but does not return after sending the HTTP 404 response when...

CVE-2026-40249

free5GC is an open-source implementation of the 5G core network. In versions 4.2.1 and below of the UDR service, the PUT handler for updating Policy Data notification subscriptions at /nudr-dr/v2/policy-data/subs-to-notify/subsId does not return after request body retrieval or deserialization...

CVE-2026-40247

free5GC is an open-source implementation of the 5G core network. In versions 4.2.1 and below of the UDR service, the handler for reading Traffic Influence Subscriptions checks whether the influenceId path segment equals subs-to-notify, but does not return after sending the HTTP 404 response when...

CVE-2026-40246

free5GC is an open-source implementation of the 5G core network. In versions 1.4.2 and below of the UDR service, the handler for deleting Traffic Influence Subscriptions checks whether the influenceId path segment equals subs-to-notify, but does not return after sending the HTTP 404 response when...

CVE-2026-40248

free5GC is an open-source implementation of the 5G core network. In versions 4.2.1 and below of the UDR service, the handler for creating or updating Traffic Influence Subscriptions checks whether the influenceId path segment equals subs-to-notify, but does not return after sending the HTTP 404...