{"action":"Upgrade fetchmail to 6.3.6-1 or later.","affected":[{"fixed":"6.3.6-1","introduced":"0"}],"component":"fetchmail","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.3.6-1"],"id":"tcs_01M5N8PST56DSYCQXHYT32C9GD","modified_at":"2026-10-22T23:47:30.147248469Z","published_at":"2006-12-31T05:00:00Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2006-5974","https://security-tracker.debian.org/tracker/CVE-2006-5974"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2006-5974#Debian:13/fetchmail","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2006-5974"}],"summary":"fetchmail 6.3.5 and 6.3.6 before 6.3.6-rc4, when refusing a message delivered via the mda option, allows remote attackers to cause a denial of service (crash) via unknown vectors that trigger a NULL p"}