{"action":"Upgrade exim4 to 4.72-1 or later.","affected":[{"fixed":"4.72-1","introduced":"0"}],"component":"exim4","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.72-1"],"id":"tcs_01M5N9HSZCCKWKP2HE7P3SC0A8","modified_at":"2026-10-23T17:47:22.039814800Z","published_at":"2010-06-07T17:12:48.247Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2010-2023","https://security-tracker.debian.org/tracker/CVE-2010-2023"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2010-2023#Debian:13/exim4","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2010-2023"}],"summary":"transports/appendfile.c in Exim before 4.72, when a world-writable sticky-bit mail directory is used, does not verify the st_nlink field of mailbox files, which allows local users to cause a denial of"}