{"id":"AZL-36949","summary":"CVE-2019-19977 affecting package libesmtp for versions less than 1.0.6-21","details":"libESMTP through 1.0.6 mishandles domain copying into a fixed-size buffer in ntlm_build_type_2 in ntlm/ntlmstruct.c, as demonstrated by a stack-based buffer over-read.","modified":"2026-04-21T04:25:24.330380Z","published":"2019-12-26T01:15:10Z","upstream":["CVE-2019-19977"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-19977"}],"affected":[{"package":{"name":"libesmtp","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/libesmtp"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.6-21"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-36949.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:H/I:H/A:H"}]}