{"action":"Upgrade rsyslog to 8.2604.0-1 or later.","affected":[{"fixed":"8.2604.0-1","introduced":"0"}],"component":"rsyslog","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["8.2604.0-1"],"id":"tcs_01M5NT0AC901S8CD7V7KN26E80","modified_at":"2026-09-25T08:47:22.448806029Z","published_at":"2026-09-18T17:16:57.580Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-55556","https://security-tracker.debian.org/tracker/CVE-2026-55556"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-55556#Debian:14/rsyslog","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-55556"}],"summary":"Rsyslog is a rocket-fast system for log processing. From 8.2110.0 until 8.2604.0, the optional imhttp module's parse_auth_header function in contrib/imhttp/imhttp.c allocates a zero-byte heap buffer w"}