{"id":"AZL-37004","summary":"CVE-2021-3671 affecting package samba for versions less than 4.18.3-1","details":"A null pointer de-reference was found in the way samba kerberos server handled missing sname in TGS-REQ (Ticket Granting Server - Request). An authenticated user could use this flaw to crash the samba server.","modified":"2026-04-01T05:13:07.774031Z","published":"2021-10-12T18:15:08Z","upstream":["CVE-2021-3671"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3671"}],"affected":[{"package":{"name":"samba","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/samba"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.3-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-37004.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}