The prescan function in Sendmail 8.12.9 allows remote attackers to execute arbitrary code via buffer overflow attacks, as demonstrated using the parseaddr function in parseaddr.c.
CVE-2003-0694
NONECVSS 0.0Weaponized
0.0
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
- High exploitation likelihood — EPSS 60%
CISA-KEV: Not listedEPSS: 60%CVSS: —Exploit: NoneExposed: 0
A fix is available — apply it.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 99.0%
- KEV
- Not listed
Published
October 6, 2003
Last Modified
June 16, 2026
References (36)
- cve@mitreftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2004.11/SCOSA-2004.11.txt
- cve@mitrehttp://archives.neohapsis.com/archives/fulldisclosure/2003-q3/4119.html
- cve@mitrehttp://archives.neohapsis.com/archives/vulnwatch/2003-q3/0113.html
- cve@mitrehttp://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000742
- cve@mitrehttp://marc.info/?l=bugtraq&m=106381604923204&w=2
- cve@mitrehttp://marc.info/?l=bugtraq&m=106382859407683&w=2
- cve@mitrehttp://marc.info/?l=bugtraq&m=106383437615742&w=2
- cve@mitrehttp://marc.info/?l=bugtraq&m=106398718909274&w=2
- cve@mitrehttp://www.cert.org/advisories/CA-2003-25.html
- cve@mitrehttp://www.debian.org/security/2003/dsa-384
- cve@mitrehttp://www.kb.cert.org/vuls/id/784980
- cve@mitrehttp://www.mandriva.com/security/advisories?name=MDKSA-2003:092
- cve@mitrehttp://www.redhat.com/support/errata/RHSA-2003-283.html
- cve@mitrehttp://www.redhat.com/support/errata/RHSA-2003-284.html
- cve@mitrehttp://www.sendmail.org/8.12.10.html
Patch Availability(2)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | patch | 2003-09-17 | redhat |
| redhat | patch | 2003-09-17 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
All Vendor Advisories
(2)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 Metasploit module). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Metasploitauxiliary/dos/smtp/sendmail_prescan✓ verifiedFirst seen Sep 17, 2003
Sendmail SMTP Address prescan Memory Corruption
Open source ↗
Frequently asked(4)
What is CVE-2003-0694?
CVE-2003-0694 is a none vulnerability published on October 6, 2003. The prescan function in Sendmail 8.12.9 allows remote attackers to execute arbitrary code via buffer overflow attacks, as demonstrated using the parseaddr function in parseaddr.c.
When was CVE-2003-0694 disclosed?
CVE-2003-0694 was first published in the National Vulnerability Database on October 6, 2003, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2003-0694 actively exploited?
CVE-2003-0694 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2003-0694?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2003-0694, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2003-0694
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