{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"log4net","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":[],"id":"tcs_01M5NPN4B954CYC2FGR47A8CMM","modified_at":"2026-10-10T09:47:47.308254516Z","published_at":"2026-10-06T20:17:16.167Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-105243","https://security-tracker.debian.org/tracker/CVE-2026-105243"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-105243","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-105243"}],"summary":"Insufficient Logging vulnerability in the EventLogAppender of Apache log4net. Long messages were truncated to a fixed size that exceeds what the Windows Event Log accepts once the log and source names"}