Vulnerability Details Title: Open5GS SGWC v2.7.6 Denial of Service Description: The Open5GS SGW-C crashes on a malformed GTPv2-C Create Session Request. The crash occurs when the Bearer Contexts To Be Created includes an S1-U eNB F-TEID with a flags byte value of zero. The handler calls and asserts on . This leads to an assertion failure: . Source: !source icon https://github.com/open5gs/open5gs/issues/4203 User: !user icon ZiyuLin (UID 93568) Submission: 12/31/2025 04:01 AM (3 days ago) Moderation: 01/01/2026 11:51 AM (1 day later) Status: !status icon Accepted VulDB Entry: !VulDB icon 233339 [Open5GS up to 2.7.6 GTPv2-C F-TEID src/sgwc/s11-handler.c sgwc_s11_handle_create_session_request denial of service] Points: 20