{"id":"RLSA-2023:3839","summary":"Moderate: libssh security update","details":"libssh is a library which implements the SSH protocol. It can be used to implement client and server applications.\n\nSecurity Fix(es):\n\n* libssh: NULL pointer dereference during rekeying with algorithm guessing (CVE-2023-1667)\n\n* libssh: authorization bypass in pki_verify_data_signature (CVE-2023-2283)\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.","modified":"2026-02-05T03:00:11.505914Z","published":"2023-07-08T02:54:11.077184Z","upstream":["CVE-2023-1667","CVE-2023-2283"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2023:3839"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2182199"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2189736"}],"affected":[{"package":{"name":"libssh","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/libssh?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.6-10.el8_8"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2023:3839.json"}}],"schema_version":"1.7.3","credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}