{"action":"Upgrade pyyaml to 5.3-2 or later.","affected":[{"fixed":"5.3-2","introduced":"0"}],"component":"pyyaml","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["5.3-2"],"id":"tcs_01M5NEQTNHBESSMGRTZVSM4S84","modified_at":"2026-09-11T11:01:52.956880832Z","published_at":"2020-03-24T15:15:12.293Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-1747","https://security-tracker.debian.org/tracker/CVE-2020-1747"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-1747#Debian:14/pyyaml","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-1747"}],"summary":"A vulnerability was discovered in the PyYAML library in versions before 5.3.1, where it is susceptible to arbitrary code execution when it processes untrusted YAML files through the full_load method o"}