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open5gs

A vulnerability was identified in Open5GS up to 2.7.6. This affects the function sgwc_s5c_handle_modify_bearer_response/sgwc_sxa_handle_session_modification_response of the component PGW S5U Address Handler. The manipulation leads to null pointer dereference. The attack can be initiated remotely. The exploit is publicly available and might be used. The identifier of the patch is f1bbd7b57f831e2a070780a7d8d5d4c73babdb59. Applying a patch is the recommended action to fix this issue.

CVE-2026-2062 is a vulnerability in Open5GS, an open-source 5G core network implementation, specifically affecting versions 2.7.0 through 2.7.6. The issue arises from a null pointer dereference in the PGW (Packet Gateway) S5U Address Handler component, within the functions sgwc_s5c_handle_modify_bearer_response and sgwc_sxa_handle_session_modification_response. These functions handle session modification responses related to bearer management in the 5G core network. The null pointer dereference occurs due to improper handling of certain input data, which can be manipulated remotely by an attacker without requiring authentication or user interaction. Exploiting this vulnerability can cause the affected process to crash, leading to a denial of service (DoS) condition in the 5G core network infrastructure. This can disrupt mobile network services reliant on Open5GS. The vulnerability has a CVSS 4.0 base score of 6.9, reflecting its medium severity, with an attack vector of network (remote), low attack complexity, no privileges required, and no user interaction needed. The vulnerability does not impact confidentiality, integrity, or availability beyond causing service disruption. A public exploit exists, increasing the likelihood of exploitation in the wild. The Open5GS project has released a patch identified by commit f1bbd7b57f831e2a070780a7d8d5d4c73babdb59 to address this issue. Organizations using affected versions should apply this patch promptly to prevent potential service outages.

Detailed information about CVE-2026-2062: NULL Pointer Dereference in Open5GS affecting null Open5GS. Get real-time updates, technical details, and mitigation s

CVE-2026-2062: NULL Pointer Dereference in Open5GS - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-2062: NULL Pointer Dereference in Open5GS

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