{"id":"CVE-2025-69252","summary":"free5GC has Null Pointer Dereference in UDM, Leading to Service Panic","details":"free5gc UDM provides Unified Data Management (UDM) for free5GC, an open-source project for 5th generation (5G) mobile core networks. Versions up to and including 1.4.1 have a NULL Pointer Dereference vulnerability. Remote unauthenticated attackers can trigger a service panic (Denial of Service) by sending a crafted PUT request with an unexpected ueId, crashing the UDM service. All deployments of free5GC using the UDM component may be affected. free5gc/udm pull request 76 contains a fix for the issue. No direct workaround is available at the application level. Applying the official patch is recommended.","aliases":["GHSA-v8cv-qvf6-9rpm"],"modified":"2026-08-12T03:51:44.531266627Z","published":"2026-02-23T23:56:55.889Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-476"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/69xxx/CVE-2025-69252.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/69xxx/CVE-2025-69252.json"},{"type":"ADVISORY","url":"https://github.com/free5gc/free5gc/security/advisories/GHSA-v8cv-qvf6-9rpm"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-69252"},{"type":"REPORT","url":"https://github.com/free5gc/free5gc/issues/752"},{"type":"FIX","url":"https://github.com/free5gc/udm/commit/504b14458d156558b3c0ade7107b86b3d5e72998"},{"type":"FIX","url":"https://github.com/free5gc/udm/pull/76"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/free5gc/udm","events":[{"introduced":"0"},{"fixed":"504b14458d156558b3c0ade7107b86b3d5e72998"}],"database_specific":{"cpe":"cpe:2.3:a:free5gc:udm:*:*:*:*:*:go:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"1.4.1"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["v1.4.1","v1.4.0","v1.3.2","v1.3.1","v1.3.0","v1.2.5","v1.2.4","v1.2.3","v1.2.2","v1.2.1","v1.2.0","v1.1.1","v1.1.0","v1.0.2","v1.0.1","v1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-69252.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U"}]}