{"id":"CVE-2003-0688","aliases":["DEBIAN-CVE-2003-0688","EUVD-2003-0679","GHSA-g82v-vwh4-vpjc"],"status":"published","title":"The DNS map code in Sendmail 8.12.8 and earlier, when using the \"enhdnsbl\" feature, does not...","description":"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.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03564,"percentile":0.89426,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2003-09-03T04:00:00Z","modified":"2026-10-22T23:47:29Z","fixes":[{"ecosystem":"Debian:12","package":"sendmail","fixed_in":["8.12.9"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"sendmail","fixed_in":["8.12.9"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"sendmail","fixed_in":["8.12.9"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"sendmail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.12.9"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"sendmail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.12.9"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"sendmail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.12.9"}]}]}],"products":[{"vendor":"compaq","product":"tru64"},{"vendor":"freebsd","product":"freebsd"},{"vendor":"openbsd","product":"openbsd"},{"vendor":"redhat","product":"sendmail"},{"vendor":"sendmail","product":"sendmail"},{"vendor":"sgi","product":"irix"}],"references":[{"url":"http://www.mandriva.com/security/advisories?name=MDKSA-2003:086","tags":["vendor-advisory","x_refsource_MANDRAKE","x_transferred","advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A597","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","web"]},{"url":"ftp://patches.sgi.com/support/free/security/advisories/20030803-01-P","tags":["vendor-advisory","x_refsource_SGI","x_transferred","advisory"]},{"url":"http://www.sendmail.org/dnsmap1.html","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.redhat.com/support/errata/RHSA-2003-265.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Patch","Vendor Advisory","advisory","fix"]},{"url":"http://www.novell.com/linux/security/advisories/2003_035_sendmail.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","advisory"]},{"url":"http://www.kb.cert.org/vuls/id/993452","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource","web"]},{"url":"http://distro.conectiva.com.br/atualizacoes/?id=a\u0026anuncio=000727","tags":["vendor-advisory","x_refsource_CONECTIVA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2003-0688"},{"url":"https://github.com/advisories/GHSA-g82v-vwh4-vpjc"},{"url":"https://security-tracker.debian.org/tracker/CVE-2003-0688","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2003-0688","description":"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.","status":"published","published":"2003-09-03T04:00:00Z","modified":"2024-08-08T02:05:11.108Z","updated_at":"2026-11-02T14:20:16.757505Z"}],"euvd":[{"id":"EUVD-2003-0679","description":"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.","status":"published","published":"2003-09-03T04:00:00Z","modified":"2024-08-08T02:05:11Z","updated_at":"2026-11-03T01:15:06.435593Z"}],"ghsa":[{"id":"GHSA-g82v-vwh4-vpjc","title":"The DNS map code in Sendmail 8.12.8 and earlier, when using the \"enhdnsbl\" feature, does not...","description":"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.","status":"published","published":"2022-05-03T03:09:45Z","modified":"2023-02-01T05:01:06Z","updated_at":"2026-11-02T14:49:40.106969Z"}],"nvd":[{"id":"CVE-2003-0688","description":"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.","status":"published","published":"2003-10-20T04:00:00Z","modified":"2026-06-16T22:02:38.86Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:47.41445Z"}],"osv":[{"id":"CVE-2003-0688","description":"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.","status":"published","published":"2003-10-20T04:00:00Z","modified":"2026-04-10T03:36:14.502289Z","updated_at":"2026-11-02T15:43:55.998148Z"},{"id":"DEBIAN-CVE-2003-0688","description":"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.","status":"published","published":"2003-10-20T04:00:00Z","modified":"2026-10-22T23:47:29.247884135Z","updated_at":"2026-11-02T15:45:22.55978Z"}]}}