{"action":"Upgrade lucene-solr to 3.6.2+dfsg-23 or later.","affected":[{"fixed":"3.6.2+dfsg-23","introduced":"0"}],"component":"lucene-solr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["3.6.2+dfsg-23"],"id":"tcs_01M5NFGY0QYNNQQB23WSDNCWHM","modified_at":"2026-10-23T18:03:59.571389556Z","published_at":"2021-04-13T07:15:12.137Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-27905","https://security-tracker.debian.org/tracker/CVE-2021-27905"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-27905","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-27905"}],"summary":"The ReplicationHandler (normally registered at \"/replication\" under a Solr core) in Apache Solr has a \"masterUrl\" (also \"leaderUrl\" alias) parameter that is used to designate another ReplicationHandle"}