{"action":"Upgrade parallel to 20161222-1 or later.","affected":[{"fixed":"20161222-1","introduced":"0"}],"component":"parallel","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["20161222-1"],"id":"tcs_01M5NB7JHHJTSZC01T5WGDP1ZF","modified_at":"2026-09-09T06:47:21.504265672Z","published_at":"2015-06-02T14:59:16.333Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2015-4156","https://security-tracker.debian.org/tracker/CVE-2015-4156"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2015-4156#Debian:13/parallel","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2015-4156"}],"summary":"GNU Parallel before 20150522 (Nepal), when using (1) --cat or (2) --fifo with --sshlogin, allows local users to write to arbitrary files via a symlink attack on a temporary file."}