{"action":"Upgrade jruby to 9.3.9.0+ds-1 or later.","affected":[{"fixed":"9.3.9.0+ds-1","introduced":"0"}],"component":"jruby","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["9.3.9.0+ds-1"],"id":"tcs_01M5NFNWJECWSXNP29QMZEEEZ9","modified_at":"2026-10-23T18:03:26.424805476Z","published_at":"2021-07-13T13:15:09.243Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-31810","https://security-tracker.debian.org/tracker/CVE-2021-31810"],"severity":{"label":"medium","score":5.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-31810#Debian:13/jruby","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-31810"}],"summary":"An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. A malicious FTP server can use the PASV response to trick Net::FTP into connecting back to a given IP address"}