{"id":"CVE-2021-45444","details":"In zsh before 5.8.1, an attacker can achieve code execution if they control a command output inside the prompt, as demonstrated by a %F argument. This occurs because of recursive PROMPT_SUBST expansion.","modified":"2026-04-16T00:02:07.748545019Z","published":"2022-02-14T12:15:15.750Z","related":["ALSA-2022:2120","SUSE-SU-2022:0732-1","SUSE-SU-2022:0733-1","SUSE-SU-2022:0735-1","openSUSE-SU-2022:0735-1","openSUSE-SU-2024:11959-1"],"database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"10.15"},{"fixed":"10.15.7"}],"cpe":"cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"10.15.7-security_update_2020\\-001"}],"cpe":"cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"10.15.7-security_update_2020\\-005"}],"cpe":"cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"10.15.7-security_update_2020\\-007"}],"cpe":"cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"10.15.7-security_update_2020"}],"cpe":"cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"10.15.7-security_update_2021\\-001"}],"cpe":"cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"10.15.7-security_update_2021\\-002"}],"cpe":"cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"10.15.7-security_update_2021\\-003"}],"cpe":"cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"10.15.7-security_update_2021\\-006"}],"cpe":"cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-006:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"10.15.7-security_update_2021\\-007"}],"cpe":"cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-007:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"10.15.7-security_update_2021\\-008"}],"cpe":"cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-008:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"10.15.7-security_update_2022\\-001"}],"cpe":"cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-001:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"10.15.7-security_update_2022\\-002"}],"cpe":"cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-002:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"10.15.7-security_update_2022\\-003"}],"cpe":"cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-003:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"introduced":"11.0"},{"fixed":"11.6.6"},{"introduced":"12.0.0"},{"fixed":"12.4"}],"cpe":"cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"10.0"}],"cpe":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"11.0"}],"cpe":"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"9.0"}],"cpe":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"34"}],"cpe":"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*","source":"CPE_FIELD"},{"source":"CPE_FIELD","cpe":"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*","extracted_events":[{"last_affected":"35"}]}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2P3LPMGENEHKDWFO4MWMZSZL6G7Y4CV7/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BWF3EXNBX5SVFDBL4ZFOD4GJBWFUKWN4/"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2022/May/33"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2022/May/35"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2022/May/38"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2022/02/msg00020.html"},{"type":"ADVISORY","url":"https://support.apple.com/kb/HT213255"},{"type":"ADVISORY","url":"https://support.apple.com/kb/HT213256"},{"type":"ADVISORY","url":"https://support.apple.com/kb/HT213257"},{"type":"ADVISORY","url":"https://vuln.ryotak.me/advisories/63"},{"type":"ADVISORY","url":"https://www.debian.org/security/2022/dsa-5078"},{"type":"ADVISORY","url":"https://zsh.sourceforge.io/releases.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/zsh-users/zsh","events":[{"introduced":"0"},{"fixed":"1a490c7050cfacd5daf8376d5a1f0e8cb14ccda5"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"5.8.1"}],"cpe":"cpe:2.3:a:zsh:zsh:*:*:*:*:*:*:*:*","source":"CPE_FIELD"}}],"versions":["5.1.1-test-2","5.3.1-test-2","5.4","5.4.1","post-opt-arg","pre-func-move","pre-opt-arg","zsg-4.1.1-test-2","zsh-3.1.6-dev-2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