{"action":"Upgrade log4cxx to 1.0.0-1+deb12u1 or later.","affected":[{"fixed":"1.0.0-1+deb12u1","introduced":"0"}],"component":"log4cxx","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1.0.0-1+deb12u1"],"id":"tcs_01M5NP1YCZ0D47PQXXPTSS8DKJ","modified_at":"2026-09-01T20:05:54.661925102Z","published_at":"2025-08-22T19:15:40.003Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-54813","https://security-tracker.debian.org/tracker/CVE-2025-54813"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-54813","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-54813"}],"summary":"Improper Output Neutralization for Logs vulnerability in Apache Log4cxx. When using JSONLayout, not all payload bytes are properly escaped. If an attacker-supplied message contains certain non-printab"}