{"id":"DEBIAN-CVE-2003-0688","details":"The DNS map code in Sendmail 8.12.8 and earlier, when using the \"enhdnsbl\" feature, does not properly initialize certain data structures, which allows remote attackers to cause a denial of service (process crash) via an invalid DNS response that causes Sendmail to free incorrect data.","modified":"2025-11-19T01:04:39.526301Z","published":"2003-10-20T04:00:00Z","upstream":["CVE-2003-0688"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2003-0688"}],"affected":[{"package":{"name":"sendmail","ecosystem":"Debian:11","purl":"pkg:deb/debian/sendmail?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.12.9"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2003-0688.json"}},{"package":{"name":"sendmail","ecosystem":"Debian:12","purl":"pkg:deb/debian/sendmail?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.12.9"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2003-0688.json"}},{"package":{"name":"sendmail","ecosystem":"Debian:13","purl":"pkg:deb/debian/sendmail?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.12.9"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2003-0688.json"}},{"package":{"name":"sendmail","ecosystem":"Debian:14","purl":"pkg:deb/debian/sendmail?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.12.9"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2003-0688.json"}}],"schema_version":"1.7.3"}