{"id":"CVE-2025-8803","summary":"Open5GS AMF gmm-sm.c gmm_state_exception denial of service","details":"A vulnerability has been found in Open5GS up to 2.7.5. Affected is the function gmm_state_de_registered/gmm_state_exception of the file src/amf/gmm-sm.c of the component AMF. The manipulation leads to denial of service. It is possible to launch the attack remotely. Upgrading to version 2.7.6 is able to address this issue. The name of the patch is 1f30edac27f69f61cff50162e980fe58fdeb30ca. It is recommended to upgrade the affected component.","modified":"2026-08-12T15:15:05.583647Z","published":"2025-08-10T09:32:07.220Z","database_specific":{"cna_assigner":"VulDB","cwe_ids":["CWE-404"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/8xxx/CVE-2025-8803.json","unresolved_ranges":[{"extracted_events":[{"introduced":"2.7.3"},{"last_affected":"2.7.3"},{"introduced":"2.7.4"},{"last_affected":"2.7.4"}],"source":"AFFECTED_FIELD"}]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/8xxx/CVE-2025-8803.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-8803"},{"type":"ADVISORY","url":"https://vuldb.com/?id.319332"},{"type":"ADVISORY","url":"https://vuldb.com/?submit.626123"},{"type":"REPORT","url":"https://github.com/open5gs/open5gs/issues/3948"},{"type":"REPORT","url":"https://github.com/open5gs/open5gs/issues/3948#issuecomment-3030223641"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.319332"},{"type":"FIX","url":"https://github.com/open5gs/open5gs/commit/1f30edac27f69f61cff50162e980fe58fdeb30ca"},{"type":"FIX","url":"https://github.com/open5gs/open5gs/releases/tag/v2.7.6"},{"type":"PACKAGE","url":"https://github.com/ZHENGHAOHELLO/BugReport"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/open5gs/open5gs","events":[{"introduced":"0"},{"fixed":"d9d3abdd480be96fac3bc8a997e83446648763ca"},{"fixed":"1f30edac27f69f61cff50162e980fe58fdeb30ca"}],"database_specific":{"cpe":"cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"2.7.6"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["2.7.0","2.7.1","2.7.2","2.7.5","v2.7.5","v2.7.2","v2.7.1","v2.7.0","v2.6.6","v2.6.4","v2.6.3","v2.6.2","v2.6.1","v2.4.9","v2.4.8","v2.4.7","v2.4.5","v2.4.4","v2.4.3","v2.4.1","v2.4.0","v2.3.6","v2.3.2","v2.3.0","v2.2.9","v2.2.8","v2.2.7","v2.2.6","v2.2.1","v2.2.0","v2.1.7","v2.1.5","v2.1.4","v2.1.3","v2.1.1","v2.1.0","v2.0.22","v2.0.18","v2.0.0","v1.3.0","v1.2.4","v1.2.3","v1.2.2","v1.2.1","v1.2.0","v1.1.0","v1.0.0","v0.5.2","v0.5.1","v0.5.0","v0.4.4","v0.4.3","v0.4.2","v0.4.1","v0.3.10","v0.3.8","v0.3.6","v0.3.5","v0.3.4","v0.3.3","v0.3.2","v0.3.1","v0.3.0","v0.2.0","v0.1.1","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-8803.json","vanir_signatures_modified":"2026-08-12T15:15:05Z","vanir_signatures":[{"target":{"file":"src/amf/gmm-sm.c"},"deprecated":false,"digest":{"line_hashes":["36739392831746233762645103348194324931","134600686040442376145242277369360079491","154395695948315582475524895171734492952","196089896000395218763098806205138190019","36739392831746233762645103348194324931","134600686040442376145242277369360079491","154395695948315582475524895171734492952","196089896000395218763098806205138190019","29287537965865441513872229727086962434","310039183726577124916407266245071766197","118904697623940379074657255851187750481"],"threshold":0.9},"id":"CVE-2025-8803-58eb9f93","signature_type":"Line","signature_version":"v1","source":"https://github.com/open5gs/open5gs/commit/1f30edac27f69f61cff50162e980fe58fdeb30ca"},{"target":{"file":"src/amf/gmm-sm.c","function":"gmm_state_exception"},"deprecated":false,"digest":{"function_hash":"311969123263597410858981137077860132217","length":9097},"id":"CVE-2025-8803-a25e7616","signature_type":"Function","signature_version":"v1","source":"https://github.com/open5gs/open5gs/commit/1f30edac27f69f61cff50162e980fe58fdeb30ca"},{"signature_version":"v1","source":"https://github.com/open5gs/open5gs/commit/1f30edac27f69f61cff50162e980fe58fdeb30ca","target":{"file":"src/amf/gmm-sm.c","function":"gmm_state_registered"},"deprecated":false,"digest":{"function_hash":"330685387627213337748102860904487023388","length":12404},"id":"CVE-2025-8803-da44a4cb","signature_type":"Function"},{"deprecated":false,"digest":{"function_hash":"65868246947001841504818286548640497750","length":10510},"id":"CVE-2025-8803-f9d85c81","signature_type":"Function","signature_version":"v1","source":"https://github.com/open5gs/open5gs/commit/1f30edac27f69f61cff50162e980fe58fdeb30ca","target":{"file":"src/amf/gmm-sm.c","function":"gmm_state_de_registered"}}]}}],"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:L/SC:N/SI:N/SA:N/E:X"}]}