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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,…
Medium5.0EPSS 3.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Timeline
ID reserved
By mitre
- 20 days later
· 20 days later
Published
- 21 years later
· 21 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 3.6% · top 11% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (7)
- MDKSA-2003:086 (opens in a new tab)vendor-advisoryx_refsource_MANDRAKEx_transferred
- oval:org.mitre.oval:def:597 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- http://www.sendmail.org/dnsmap1.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2003:265 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- SuSE-SA:2003:035 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- VU#993452 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- CLA-2003:727 (opens in a new tab)vendor-advisoryx_refsource_CONECTIVAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2003-0688)Record last updated .