{"id":"AZL-8586","summary":"CVE-2021-45444 affecting package zsh for versions less than 5.9-1","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":"2026-04-01T05:23:34.152087Z","published":"2022-02-14T12:15:15Z","upstream":["CVE-2021-45444"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45444"}],"affected":[{"package":{"name":"zsh","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/zsh"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-8586.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}