{"id":"CLSA-2026-1786494875","summary":"Fix CVE(s): CVE-2022-38023","details":"   * SECURITY UPDATE: netlogon secure channel allowed RC4/HMAC-MD5 downgrade\n     and unsealed (unencrypted) use, permitting man-in-the-middle attacks\n     - debian/patches/CVE-2022-38023.patch: change \"reject md5 clients\" and\n       \"reject md5 servers\" defaults to yes, deprecate \"allow nt4 crypto\" and\n       \"reject md5 clients\", add \"server schannel require seal\" (default yes)\n       and require DCERPC_AUTH_LEVEL_PRIVACY in the source3 and source4\n       netlogon servers including all netr_LogonSamLogon* variants, defer the\n       ServerAuthenticate3 downgrade check until the account is found in the\n       SAM so that \"server reject md5 schannel:COMPUTERACCOUNT\" and\n       \"allow nt4 crypto:COMPUTERACCOUNT\" exceptions apply\n     - CVE-2022-38023","modified":"2026-10-26T09:31:47.561400094Z","published":"2026-08-12T00:34:46Z","upstream":["CVE-2022-38023"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1786494875.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-38023"}],"affected":[{"package":{"name":"ctdb","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/ctdb?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:4.7.6+dfsg~ubuntu-0ubuntu2.29+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1786494875.json"}},{"package":{"name":"libnss-winbind","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libnss-winbind?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:4.7.6+dfsg~ubuntu-0ubuntu2.29+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1786494875.json"}},{"package":{"name":"libpam-winbind","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libpam-winbind?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:4.7.6+dfsg~ubuntu-0ubuntu2.29+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1786494875.json"}},{"package":{"name":"libparse-pidl-perl","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libparse-pidl-perl?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:4.7.6+dfsg~ubuntu-0ubuntu2.29+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1786494875.json"}},{"package":{"name":"libsmbclient","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libsmbclient?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:4.7.6+dfsg~ubuntu-0ubuntu2.29+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1786494875.json"}},{"package":{"name":"libsmbclient-dev","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libsmbclient-dev?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:4.7.6+dfsg~ubuntu-0ubuntu2.29+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1786494875.json"}},{"package":{"name":"libwbclient-dev","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libwbclient-dev?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:4.7.6+dfsg~ubuntu-0ubuntu2.29+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1786494875.json"}},{"package":{"name":"libwbclient0","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libwbclient0?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:4.7.6+dfsg~ubuntu-0ubuntu2.29+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1786494875.json"}},{"package":{"name":"python-samba","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/python-samba?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:4.7.6+dfsg~ubuntu-0ubuntu2.29+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1786494875.json"}},{"package":{"name":"registry-tools","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/registry-tools?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:4.7.6+dfsg~ubuntu-0ubuntu2.29+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1786494875.json"}},{"package":{"name":"samba","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/samba?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:4.7.6+dfsg~ubuntu-0ubuntu2.29+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1786494875.json"}},{"package":{"name":"samba-common","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/samba-common?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:4.7.6+dfsg~ubuntu-0ubuntu2.29+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1786494875.json"}},{"package":{"name":"samba-com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