{"id":"AZL-37000","summary":"CVE-2021-20277 affecting package samba for versions less than 4.18.3-1","details":"A flaw was found in Samba's libldb. Multiple, consecutive leading spaces in an LDAP attribute can lead to an out-of-bounds memory write, leading to a crash of the LDAP server process handling the request. The highest threat from this vulnerability is to system availability.","modified":"2026-04-01T05:12:22.611847Z","published":"2021-05-12T14:15:11Z","upstream":["CVE-2021-20277"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20277"}],"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-37000.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"}]}