{"id":"EUVD-2026-16841","enisaUuid":"51f94b93-6c57-3172-8b85-38d2ff6dea9e","description":"Ella Core is a 5G core designed for private networks. Prior to version 1.7.0, a deadlock in the AMF\u0027s SCTP notification handler causes the entire AMF control plane to hang until the process is restarted. An attacker with access to the N2 interface can cause Ella Core to hang, resulting in a denial of service for all subscribers. Version 1.7.0 adds 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.","datePublished":"Mar 27, 2026, 8:55:18 PM","dateUpdated":"Mar 31, 2026, 2:06:35 PM","baseScore":6.5,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","references":"https://github.com/ellanetworks/core/security/advisories/GHSA-9h59-p45g-445h\nhttps://github.com/ellanetworks/core/commit/999f606c5cae261471d9e3f063d7ecd1bd754076\nhttps://github.com/ellanetworks/core/releases/tag/v1.7.0\n","aliases":"CVE-2026-33904\nGHSA-9h59-p45g-445h\n","assigner":"GitHub_M","epss":0.17,"enisaIdProduct":[{"id":"21130314-28b9-3cae-8922-271625c6cdb4","product":{"name":"core","vendor":{"name":"OPNsense"}},"product_version":"\u003c 1.7.0"}],"enisaIdVendor":[{"id":"23c10fe5-cebe-3e9d-b601-e95c0b62b215","vendor":{"name":"ellanetworks"}}],"enisaIdVulnerability":[{"id":"15bee19b-be36-3703-9261-d3db6d659eab","vulnerability":{"id":"GHSA-9h59-p45g-445h","description":"Ella Core has a Denial of Service via SCTP connection cleanup deadlock ","datePublished":"Mar 26, 2026, 10:13:33 PM","dateUpdated":"Mar 27, 2026, 9:51:35 PM","baseScore":0.0,"references":"https://github.com/ellanetworks/core/security/advisories/GHSA-9h59-p45g-445h\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-33904\nhttps://github.com/ellanetworks/core/commit/999f606c5cae261471d9e3f063d7ecd1bd754076\nhttps://github.com/ellanetworks/core\nhttps://github.com/ellanetworks/core/releases/tag/v1.7.0\n","enisa_id":"EUVD-2026-16841\n","aliases":"CVE-2026-33904\nGHSA-9h59-p45g-445h\n","epss":0.0,"dataProcessed":"Oct 25, 2026, 1:54:31 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}},{"id":"cd08931d-a460-392c-bf65-be96f8f7002c","vulnerability":{"id":"CVE-2026-33904","description":"Ella Core is a 5G core designed for private networks. Prior to version 1.7.0, a deadlock in the AMF\u0027s SCTP notification handler causes the entire AMF control plane to hang until the process is restarted. An attacker with access to the N2 interface can cause Ella Core to hang, resulting in a denial of service for all subscribers. Version 1.7.0 adds 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.","datePublished":"Mar 27, 2026, 8:55:18 PM","dateUpdated":"Mar 31, 2026, 2:06:35 PM","status":"PUBLISHED","baseScore":6.5,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","references":"https://github.com/ellanetworks/core/security/advisories/GHSA-9h59-p45g-445h\nhttps://github.com/ellanetworks/core/commit/999f606c5cae261471d9e3f063d7ecd1bd754076\nhttps://github.com/ellanetworks/core/releases/tag/v1.7.0\n","enisa_id":"EUVD-2026-16841\n","assigner":"GitHub_M","epss":0.17,"dataProcessed":"Oct 27, 2026, 7:18:29 AM","vulnerabilityProduct":[{"id":"3a201023-c8b9-32c2-abab-0c9df4041eeb","product":{"name":"core","vendor":{"name":"OPNsense"}},"product_version":"\u003c 1.7.0"}],"vulnerabilityVendor":[{"id":"19234033-2ea9-3e88-86b6-d47581a89248","vendor":{"name":"ellanetworks"}}]}}],"enisaIdAdvisory":[]}