CVE-2003-0688

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.

Scoring

CVSS base score
0.07
EPSS probability
1.71%
Published
2003-09-03
Last modified
2026-03-16

Affected products

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