{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"log4net","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":[],"id":"tcs_01M5NPN3GWM34YV3D93MMWWP04","modified_at":"2026-10-10T09:47:37.883109163Z","published_at":"2026-10-06T20:17:15.630Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-105239","https://security-tracker.debian.org/tracker/CVE-2026-105239"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-105239#Debian:14/log4net","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-105239"}],"summary":"Improper Neutralization of Null Byte or NUL Character vulnerability in the EventLogAppender of Apache log4net. A NUL character in logged content ended the Windows Event Log record at that point, so ev"}