CVE-2003-0688

mediumpriority · track · 21EPSS 0.036 · 89 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

3.56% (89th) EPSS

CVSS 5 · medium

Is it mine?

24 products

Check your exposure

Who says so?

3 sources

enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Psecondary · FSTEC (BDU) RU

v2.04.3mediumAV:N/AC:L/Au:N/C:N/I:N/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-457USLLM-inferred

affected products (24)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Novell Inc. openSUSE≤ 8.2fstec_bduRU
Novell Inc. openSUSE≤ 8.1fstec_bduRU
Novell Inc. openSUSE≤ 8.0fstec_bduRU
compaq tru64= 5.0anvdUScpe:2.3:o:compaq:tru64:*:*:*:*:*:*:*:*
compaq tru64= 5.1nvdUScpe:2.3:o:compaq:tru64:*:*:*:*:*:*:*:*
freebsd freebsd= 4.6nvdUScpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
freebsd freebsd= 4.7nvdUScpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
freebsd freebsd= 4.8nvdUScpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
freebsd freebsd= 5.0nvdUScpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
openbsd openbsd= 3.2nvdUScpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:*
redhat sendmail= 8.12.5-7nvdUScpe:2.3:a:redhat:sendmail:*:*:*:*:*:*:*:*
redhat sendmail= 8.12.8-4nvdUScpe:2.3:a:redhat:sendmail:*:*:*:*:*:*:*:*
sendmail sendmail= 8.12.1nvdUScpe:2.3:a:sendmail:sendmail:*:*:*:*:*:*:*:*
sendmail sendmail= 8.12.2nvdUScpe:2.3:a:sendmail:sendmail:*:*:*:*:*:*:*:*
sendmail sendmail= 8.12.3nvdUScpe:2.3:a:sendmail:sendmail:*:*:*:*:*:*:*:*
sendmail sendmail= 8.12.4nvdUScpe:2.3:a:sendmail:sendmail:*:*:*:*:*:*:*:*
sendmail sendmail= 8.12.5nvdUScpe:2.3:a:sendmail:sendmail:*:*:*:*:*:*:*:*
sendmail sendmail= 8.12.6nvdUScpe:2.3:a:sendmail:sendmail:*:*:*:*:*:*:*:*
sendmail sendmail= 8.12.7nvdUScpe:2.3:a:sendmail:sendmail:*:*:*:*:*:*:*:*

showing 20 of 24

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2003-10-20modified 2026-06-16

references (14)

External citations — patches, advisories, analysis.

scry

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