CVE-2026-78156: Open5gs Hss Unvalidated Plmn Id Kasmecve-2026-78156-open5gs-hss-unvalidated-plmn-id-kasme
Unvalidated Visited-PLMN-Id AVP data pointer and length passed directly to ogs_auc_kasme. A Diameter request with a missing or truncated Visited-PLMN-Id AVP can cause out-of-bounds memory access or null pointer dereference. Validate the AVP length against OGS_PLMN_ID_LEN and copy to a validated buffer before calling ogs_auc_kasme.