VULNERABILITY INTELLIGENCE

CVE-2003-0688

CVSS score5 MEDIUM
EPSS probability3.56%
CISA KEVNot currently listed
Published2003-10-20
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P

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.

Primary references