{"id":"CLSA-2026-1777378650","summary":"Fix CVE(s): CVE-2023-26604","details":"   * SECURITY UPDATE: systemctl may pass arbitrary shell commands from a\n     pager like more(1) that does not honor LESSSECURE, allowing privilege\n     escalation under sudo.\n     - debian/patches/CVE-2023-26604.patch: set LESSSECURE=1 when invoking\n       a pager, rename to SYSTEMD_PAGERSECURE, gate insecure pagers behind\n       sd_pid_get_owner_uid()/euid check, skip non-\"less\" pagers in secure\n       mode, and read the envvar via secure_getenv(). Squash of upstream\n       commits 612ebf6c91, 0a42426d79, and b8f736b30e (src/shared/pager.c\n       only; man-page hunks dropped).\n     - CVE-2023-26604","modified":"2026-06-04T09:47:38.206323953Z","published":"2026-04-28T12:17:35Z","upstream":["CVE-2023-26604"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu20.04els/CLSA-2026-1777378650.html"}],"affected":[{"package":{"name":"libnss-myhostname","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libnss-myhostname?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"245.4-4ubuntu3.24+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777378650.json"}},{"package":{"name":"libnss-mymachines","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libnss-mymachines?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"245.4-4ubuntu3.24+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777378650.json"}},{"package":{"name":"libnss-resolve","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libnss-resolve?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"245.4-4ubuntu3.24+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777378650.json"}},{"package":{"name":"libnss-systemd","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libnss-systemd?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"245.4-4ubuntu3.24+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777378650.json"}},{"package":{"name":"libpam-systemd","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libpam-systemd?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"245.4-4ubuntu3.24+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777378650.json"}},{"package":{"name":"libsystemd-dev","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libsystemd-dev?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"245.4-4ubuntu3.24+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777378650.json"}},{"package":{"name":"libsystemd0","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libsystemd0?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"245.4-4ubuntu3.24+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777378650.json"}},{"package":{"name":"libudev-dev","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libudev-dev?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"245.4-4ubuntu3.24+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777378650.json"}},{"package":{"name":"libudev1","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libudev1?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"245.4-4ubuntu3.24+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777378650.json"}},{"package":{"name":"systemd","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/systemd?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"245.4-4ubuntu3.24+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777378650.json"}},{"package":{"name":"systemd-container","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/systemd-container?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"245.4-4ubuntu3.24+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777378650.json"}},{"package":{"name":"systemd-coredump","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/systemd-coredump?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"245.4-4ubuntu3.24+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777378650.json"}},{"package":{"name":"systemd-journal-remote","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/systemd-journal-remote?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"245.4-4ubuntu3.24+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777378650.json"}},{"package":{"name":"systemd-sysv","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/systemd-sysv?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"245.4-4ubuntu3.24+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777378650.json"}},{"package":{"name":"systemd-tests","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/systemd-tests?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"245.4-4ubuntu3.24+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777378650.json"}},{"package":{"name":"systemd-timesyncd","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/systemd-timesyncd?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"245.4-4ubuntu3.24+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777378650.json"}},{"package":{"name":"udev","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/udev?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"245.4-4ubuntu3.24+tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777378650.json"}}],"schema_version":"1.7.5"}