{"id":"CLSA-2026-1792197391","summary":"openssh: Fix of 8 CVEs","details":"- CVE-2026-106555: sshd kept GSSAPI client state from a partially completed\n  GSSAPIAuthentication attempt and could reuse it in a later attempt; reset the\n  global GSSAPI client state before each authentication attempt.\n  Backport upstream commit 670510d1.\n- CVE-2026-106553: sshd could store delegated GSSAPI credentials from a failed\n  GSSAPIAuthentication attempt; only store them when GSSAPI user authorization\n  succeeded. Backport upstream commit 6f9cd19a.\n- CVE-2026-106583: ssh(1) accepted '$' and '\\\\' in a command-line user name,\n  allowing shell injection via expanded commands; reject both characters.\n  Backport upstream commit 0c4c9a7b.\n- CVE-2026-106585: ssh(1) and sshd did not check that decompressed packet\n  payloads stay below the maximum packet size; reject oversized inflated\n  payloads. Backport upstream commit e0f85d83.","modified":"2026-10-26T09:43:10.169254027Z","published":"2026-10-17T00:36:47Z","upstream":["CVE-2026-106553","CVE-2026-106555","CVE-2026-106583","CVE-2026-106585"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1792197391.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106552"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106553"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106555"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106582"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106583"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106584"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106585"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106586"}],"affected":[{"package":{"name":"openssh","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/openssh?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.7p1-30.el9_2.tuxcare.els24"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1792197391.json"}},{"package":{"name":"openssh-askpass","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/openssh-askpass?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.7p1-30.el9_2.tuxcare.els24"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1792197391.json"}},{"package":{"name":"openssh-clients","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/openssh-clients?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.7p1-30.el9_2.tuxcare.els24"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1792197391.json"}},{"package":{"name":"openssh-keycat","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/openssh-keycat?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.7p1-30.el9_2.tuxcare.els24"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1792197391.json"}},{"package":{"name":"openssh-server","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/openssh-server?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.7p1-30.el9_2.tuxcare.els24"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1792197391.json"}},{"package":{"name":"openssh-sk-dummy","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/openssh-sk-dummy?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.7p1-30.el9_2.tuxcare.els24"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1792197391.json"}},{"package":{"name":"pam_ssh_agent_auth","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/pam_ssh_agent_auth?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.4-5.30.el9_2.tuxcare.els24"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1792197391.json"}}],"schema_version":"1.9.0"}