{"id":"AZL-36997","summary":"CVE-2020-27840 affecting package samba for versions less than 4.18.3-1","details":"A flaw was found in samba. Spaces used in a string around a domain name (DN), while supposed to be ignored, can cause invalid DN strings with spaces to instead write a zero-byte into out-of-bounds memory, resulting in a crash. The highest threat from this vulnerability is to system availability.","modified":"2026-04-01T05:13:08.095727Z","published":"2021-05-12T15:15:07Z","upstream":["CVE-2020-27840"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27840"}],"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-36997.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}