{"schema_version":"1.7.5","id":"GHSA-9h59-p45g-445h","published":"2026-03-26T22:13:33Z","modified":"2026-04-02T21:26:07.838047470Z","aliases":["CVE-2026-33904","GO-2026-4874"],"summary":"Ella Core has a Denial of Service via SCTP connection cleanup deadlock ","details":"## Summary\n\nA deadlock in the AMF's SCTP notification handler causes the entire AMF control plane to hang until the process is restarted. \n\n## Impact\n\nAn attacker with access to the N2 interface can cause Ella Core to hang, resulting in a denial of service for all subscribers.\n\n## Fix\n\nAdd deferred Radio cleanup in serveConn SCTP server so that every connection exit path removes the radio. Remove the stale-entry scan from SCTP Notification handling.","affected":[{"package":{"name":"github.com/ellanetworks/core","ecosystem":"Go","purl":"pkg:golang/github.com/ellanetworks/core"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.7.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-9h59-p45g-445h/GHSA-9h59-p45g-445h.json"}}],"references":[{"type":"WEB","url":"https://github.com/ellanetworks/core/security/advisories/GHSA-9h59-p45g-445h"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33904"},{"type":"WEB","url":"https://github.com/ellanetworks/core/commit/999f606c5cae261471d9e3f063d7ecd1bd754076"},{"type":"PACKAGE","url":"https://github.com/ellanetworks/core"},{"type":"WEB","url":"https://github.com/ellanetworks/core/releases/tag/v1.7.0"}],"database_specific":{"cwe_ids":["CWE-833"],"github_reviewed":true,"github_reviewed_at":"2026-03-26T22:13:33Z","nvd_published_at":"2026-03-27T21:17:26Z","severity":"MODERATE"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}