{"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_01M5NFDF6KWZASM0806C52V9DP","modified_at":"2026-10-23T18:03:12.072197815Z","published_at":"2021-03-23T00:15:12.787Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-21345","https://security-tracker.debian.org/tracker/CVE-2021-21345"],"severity":{"label":"critical","score":9.9},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-21345","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-21345"}],"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 who has sufficient rights to execute"}