{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"log4cxx","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NRX3VF2SH38HSJ9XFBNKAY","modified_at":"2026-10-27T09:47:30.037046565Z","published_at":"2026-04-10T16:16:32.600Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-40023","https://security-tracker.debian.org/tracker/CVE-2026-40023"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-40023","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-40023"}],"summary":"Apache Log4cxx's XMLLayout https://logging.apache.org/log4cxx/1.7.0/classlog4cxx_1_1xml_1_1XMLLayout.html , in versions before 1.7.0, fails to sanitize characters forbidden by the XML 1.0 specificatio"}