{"action":"Upgrade groovy to 2.4.21-1 or later.","affected":[{"fixed":"2.4.21-1","introduced":"0"}],"component":"groovy","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2.4.21-1"],"id":"tcs_01M5NEQYSDZGF8HZRR6JDBSV53","modified_at":"2026-10-26T12:02:28.996030741Z","published_at":"2020-12-07T20:15:12.633Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-17521","https://security-tracker.debian.org/tracker/CVE-2020-17521"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-17521#Debian:13/groovy","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-17521"}],"summary":"Apache Groovy provides extension methods to aid with creating temporary directories. Prior to this fix, Groovy's implementation of those extension methods was using a now superseded Java JDK method ca"}