{"id":"AZL-6650","summary":"CVE-2019-17498 affecting package libssh2 for versions less than 1.9.0-1","details":"In libssh2 v1.9.0 and earlier versions, the SSH_MSG_DISCONNECT logic in packet.c has an integer overflow in a bounds check, enabling an attacker to specify an arbitrary (out-of-bounds) offset for a subsequent memory read. A crafted SSH server may be able to disclose sensitive information or cause a denial of service condition on the client system when a user connects to the server.","modified":"2026-04-01T05:20:59.465031Z","published":"2019-10-21T22:15:10Z","upstream":["CVE-2019-17498"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-17498"}],"affected":[{"package":{"name":"libssh2","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/libssh2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.0-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-6650.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H"}]}