{"id":"CLSA-2026-1787664471","summary":"Fix CVE(s): CVE-2026-66140, CVE-2026-66141","details":"   * SECURITY UPDATE: directory traversal via named-queue arguments\n     - debian/patches/CVE-2026-66140.patch: add validate_queue_name() and apply\n       it to the -MCG and -q[f][f][l]G\u003cname\u003e command-line queue names, rejecting\n       names containing '/', longer than 32 characters, or colliding with the\n       reserved spool subdirectories; restrict -MC and all -MCx arguments to\n       admin users.\n     - CVE-2026-66140\n   * SECURITY UPDATE: .forward privilege escalation under force_command\n     - debian/patches/CVE-2026-66141.patch: stop expanding addr-\u003elocal_part in a\n       pipe transport under force_command, so a command taken from a user's\n       .forward file is only dequoted and split into argv, never evaluated with\n       the transport's privileges.\n     - CVE-2026-66141","modified":"2026-10-26T09:32:03.620422590Z","published":"2026-08-25T15:11:29Z","upstream":["CVE-2026-66140","CVE-2026-66141"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1787664471.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66140"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66141"}],"affected":[{"package":{"name":"exim4","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/exim4?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.90.1-1ubuntu1.10+tuxcare.els7"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1787664471.json"}},{"package":{"name":"exim4-base","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/exim4-base?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.90.1-1ubuntu1.10+tuxcare.els7"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1787664471.json"}},{"package":{"name":"exim4-config","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/exim4-config?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.90.1-1ubuntu1.10+tuxcare.els7"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1787664471.json"}},{"package":{"name":"exim4-daemon-heavy","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/exim4-daemon-heavy?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.90.1-1ubuntu1.10+tuxcare.els7"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1787664471.json"}},{"package":{"name":"exim4-daemon-light","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/exim4-daemon-light?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.90.1-1ubuntu1.10+tuxcare.els7"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1787664471.json"}},{"package":{"name":"exim4-dev","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/exim4-dev?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.90.1-1ubuntu1.10+tuxcare.els7"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1787664471.json"}},{"package":{"name":"eximon4","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/eximon4?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.90.1-1ubuntu1.10+tuxcare.els7"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1787664471.json"}}],"schema_version":"1.9.0"}