{"action":"Upgrade libxstream-java to 1.4.15-2 or later.","affected":[{"fixed":"1.4.15-2","introduced":"0"}],"component":"libxstream-java","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1.4.15-2"],"id":"tcs_01M5NFDG1D33V8C2JBMBRYEN69","modified_at":"2026-10-23T18:03:11.520547518Z","published_at":"2021-03-23T00:15:13.023Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-21347","https://security-tracker.debian.org/tracker/CVE-2021-21347"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-21347","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-21347"}],"summary":"XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability which may allow a remote attacker to load and execute arbitrary code fr"}