{"id":"RLSA-2020:4545","summary":"Moderate: libssh security, bug fix, and enhancement update","details":"libssh is a library which implements the SSH protocol. It can be used to implement client and server applications.\n\nThe following packages have been upgraded to a later upstream version: libssh (0.9.4). (BZ#1804797)\n\nSecurity Fix(es):\n\n* libssh: denial of service when handling AES-CTR (or DES) ciphers (CVE-2020-1730)\n\n* libssh: unsanitized location in scp could lead to unwanted command execution (CVE-2019-14889)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 8.3 Release Notes linked from the References section.","modified":"2026-03-11T05:55:19.100905Z","published":"2020-11-03T12:14:19Z","upstream":["CVE-2019-14889","CVE-2020-1730"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2020:4545"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1733914"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1772523"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1801998"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1804797"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1821339"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1849071"}],"affected":[{"package":{"name":"libssh","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/libssh?distro=rocky-linux-8-4-legacy&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.4-2.el8"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2020:4545.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}