{"id":"CVE-2026-33903","state":"PUBLISHED","title":"Ella Core panics when processing a crafted NGAP LocationReport message","description":"Ella Core is a 5G core designed for private networks. Versions prior to 1.7.0 panic when processing a specially crafted NGAP LocationReport message. An attacker able to send crafted NGAP messages to Ella Core can crash the process, causing service disruption for all connected subscribers. Version 1.7.0 adds guards in NGAP Location Report handler.","publishedAt":"2026-03-27T20:52:37.157Z","updatedAt":"2026-03-30T15:42:36.950Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["ellanetworks core"],"affected":[{"vendor":"ellanetworks","product":"core","versions":[{"version":"< 1.7.0","status":"affected"}]}],"references":["https://github.com/ellanetworks/core/security/advisories/GHSA-f2f3-9cx3-wcmf","https://github.com/ellanetworks/core/commit/ec77a2ad4508f8488cb356fd45b2f1efd92587f8","https://github.com/ellanetworks/core/releases/tag/v1.7.0"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/33xxx/CVE-2026-33903.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-33903","state":"PUBLISHED","datePublished":"2026-03-27T20:52:37.157Z","dateUpdated":"2026-03-30T15:42:36.950Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-24T15:41:47.491Z"},"containers":{"cna":{"title":"Ella Core panics when processing a crafted NGAP LocationReport message","descriptions":[{"lang":"en","value":"Ella Core is a 5G core designed for private networks. Versions prior to 1.7.0 panic when processing a specially crafted NGAP LocationReport message. An attacker able to send crafted NGAP messages to Ella Core can crash the process, causing service disruption for all connected subscribers. Version 1.7.0 adds guards in NGAP Location Report handler."}],"affected":[{"vendor":"ellanetworks","product":"core","versions":[{"version":"< 1.7.0","status":"affected"}]}],"references":[{"url":"https://github.com/ellanetworks/core/security/advisories/GHSA-f2f3-9cx3-wcmf","name":"https://github.com/ellanetworks/core/security/advisories/GHSA-f2f3-9cx3-wcmf","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/ellanetworks/core/commit/ec77a2ad4508f8488cb356fd45b2f1efd92587f8","name":"https://github.com/ellanetworks/core/commit/ec77a2ad4508f8488cb356fd45b2f1efd92587f8","tags":["x_refsource_MISC"]},{"url":"https://github.com/ellanetworks/core/releases/tag/v1.7.0","name":"https://github.com/ellanetworks/core/releases/tag/v1.7.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","lang":"en","description":"CWE-476: NULL Pointer Dereference","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-03-27T20:52:37.157Z"},"source":{"advisory":"GHSA-f2f3-9cx3-wcmf","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-30T15:42:19.338459Z","id":"CVE-2026-33903","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-30T15:42:36.950Z"}}]}}}