{"id":"CLSA-2026-1788539811","summary":"rsync: Fix of 4 CVEs","details":"- CVE-2026-53784: resolve an absolute daemon path one component at a time\n  with an O_NOFOLLOW dirfd per level so a planted symlink cannot steer the\n  daemon CWD outside the module when \"use chroot = no\"\n- CVE-2026-53791: require the direct peer to match the new \"proxy protocol\n  hosts\" list before a PROXY protocol header is trusted, so a forged source\n  address cannot bypass \"hosts allow\" and \"hosts deny\"\n- CVE-2026-53803: route the log file, batch files, motd, early-input file,\n  daemon lock file and rsyncd.conf through open_no_attacker_symlinks() so a\n  planted symlink cannot redirect an ancillary open\n- CVE-2026-70463: parse \"auth users\" with conf_strtok() so a comma-only entry\n  containing a space keeps its deny rule instead of being split on whitespace\n  and silently discarded","modified":"2026-10-26T09:30:46.198913295Z","published":"2026-09-04T16:37:04Z","upstream":["CVE-2026-53784","CVE-2026-53791","CVE-2026-53803","CVE-2026-70463"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1788539811.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53784"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53791"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53803"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-70463"}],"affected":[{"package":{"name":"rsync","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/rsync?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.3-19.el9_2.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1788539811.json"}},{"package":{"name":"rsync-daemon","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/rsync-daemon?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.3-19.el9_2.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1788539811.json"}}],"schema_version":"1.9.0"}