{"id":"RLSA-2020:0903","summary":"Important: zsh security update","details":"The zsh shell is a command interpreter usable as an interactive login shell and as a shell script command processor. Zsh resembles the ksh shell (the Korn shell), but includes many enhancements. Zsh supports command-line editing, built-in spelling correction, programmable command completion, shell functions (with autoloading), a history mechanism, and more.\n\nSecurity Fix(es):\n\n* zsh: insecure dropping of privileges when unsetting PRIVILEGED option (CVE-2019-20044)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","modified":"2026-03-11T05:56:34.675679Z","published":"2020-03-19T10:45:02Z","upstream":["CVE-2019-20044"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2020:0903"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1804859"}],"affected":[{"package":{"name":"zsh","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/zsh?distro=rocky-linux-8-4-legacy&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:5.5.1-6.el8_1.2"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2020:0903.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}