{"id":"SUSE-SU-2019:0655-1","summary":"Security update for libssh2_org","details":"This update for libssh2_org fixes the following issues:\n\nSecurity issues fixed: \t  \n\n- CVE-2019-3861: Fixed Out-of-bounds reads with specially crafted SSH packets (bsc#1128490).\n- CVE-2019-3862: Fixed Out-of-bounds memory comparison with specially crafted message channel request packet (bsc#1128492).\n- CVE-2019-3860: Fixed Out-of-bounds reads with specially crafted SFTP packets (bsc#1128481).\n- CVE-2019-3863: Fixed an Integer overflow in user authenticate keyboard interactive which could allow out-of-bounds writes \n  with specially crafted keyboard responses (bsc#1128493).\n- CVE-2019-3856: Fixed a potential Integer overflow in keyboard interactive handling which could allow out-of-bounds write \n  with specially crafted payload (bsc#1128472).\n- CVE-2019-3859: Fixed Out-of-bounds reads with specially crafted payloads due to unchecked use of _libssh2_packet_require \n  and _libssh2_packet_requirev (bsc#1128480).\n- CVE-2019-3855: Fixed a potential Integer overflow in transport read which could allow out-of-bounds write with specially \n  crafted payload (bsc#1128471).\n- CVE-2019-3858: Fixed a potential zero-byte allocation which could lead to an out-of-bounds read with a specially crafted \n  SFTP packet (bsc#1128476).\n- CVE-2019-3857: Fixed a potential Integer overflow which could lead to zero-byte allocation and out-of-bounds with specially \n  crafted message channel request SSH packet (bsc#1128474).\n\nOther issue addressed: \n\n- Libbssh2 will stop using keys unsupported types in the known_hosts file (bsc#1091236).\n ","modified":"2026-03-11T07:06:59.978558Z","published":"2019-03-20T09:31:34Z","related":["CVE-2019-3855","CVE-2019-3856","CVE-2019-3857","CVE-2019-3858","CVE-2019-3859","CVE-2019-3860","CVE-2019-3861","CVE-2019-3862","CVE-2019-3863"],"upstream":["CVE-2019-3855","CVE-2019-3856","CVE-2019-3857","CVE-2019-3858","CVE-2019-3859","CVE-2019-3860","CVE-2019-3861","CVE-2019-3862","CVE-2019-3863"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2019/suse-su-20190655-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1091236"},{"type":"REPORT","url":"https://bugzilla.suse.com/1128471"},{"type":"REPORT","url":"https://bugzilla.suse.com/1128472"},{"type":"REPORT","url":"https://bugzilla.suse.com/1128474"},{"type":"REPORT","url":"https://bugzilla.suse.com/1128476"},{"type":"REPORT","url":"https://bugzilla.suse.com/1128480"},{"type":"REPORT","url":"https://bugzilla.suse.com/1128481"},{"type":"REPORT","url":"https://bugzilla.suse.com/1128490"},{"type":"REPORT","url":"https://bugzilla.suse.com/1128492"},{"type":"REPORT","url":"https://bugzilla.suse.com/1128493"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2019-3855"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2019-3856"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2019-3857"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2019-3858"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2019-3859"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2019-3860"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2019-3861"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2019-3862"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2019-3863"}],"affected":[{"package":{"name":"libssh2_org","ecosystem":"SUSE:OpenStack 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