{"id":"CLSA-2026-1784725535","summary":"Fix CVE(s): CVE-2026-59999, CVE-2026-60000","details":"   * SECURITY UPDATE: DisableForwarding did not override PermitTunnel\n     - debian/patches/CVE-2026-59999.patch: add options.disable_forwarding to\n       the PermitTunnel gate in server_request_tun() in serverloop.c so that\n       DisableForwarding=yes rejects tunnel-device forwarding as documented.\n     - CVE-2026-59999\n   * SECURITY UPDATE: GSSAPI userauth pre-auth resource DoS / MaxAuthTries bypass\n     - debian/patches/CVE-2026-60000.patch: discard the client error token in\n       input_gssapi_errtok() instead of feeding it to ssh_gssapi_accept_ctx(),\n       and record the failed attempt via userauth_finish() so GSSAPI auth is\n       subject to MaxAuthTries, in auth2-gss.c.\n     - CVE-2026-60000","modified":"2026-10-26T09:32:05.527867872Z","published":"2026-07-22T13:06:03Z","upstream":["CVE-2026-59999","CVE-2026-60000"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu20.04els/CLSA-2026-1784725535.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59999"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-60000"}],"affected":[{"package":{"name":"openssh-client","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/openssh-client?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:8.2p1-4ubuntu0.13+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1784725535.json"}},{"package":{"name":"openssh-server","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/openssh-server?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:8.2p1-4ubuntu0.13+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1784725535.json"}},{"package":{"name":"openssh-sftp-server","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/openssh-sftp-server?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:8.2p1-4ubuntu0.13+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1784725535.json"}},{"package":{"name":"openssh-tests","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/openssh-tests?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:8.2p1-4ubuntu0.13+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1784725535.json"}},{"package":{"name":"ssh","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/ssh?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:8.2p1-4ubuntu0.13+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1784725535.json"}},{"package":{"name":"ssh-askpass-gnome","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/ssh-askpass-gnome?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:8.2p1-4ubuntu0.13+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1784725535.json"}}],"schema_version":"1.9.0"}