Unrated severityNVD Advisory· Published Jul 7, 2004· Updated Apr 16, 2026

CVE-2004-0400

Description

Stack-based buffer overflow in Exim 4 before 4.33, when the headers_check_syntax option is enabled, allows remote attackers to cause a denial of service and possibly execute arbitrary code during the header check.

Affected products

University Of Cambridge/Exim
cpe:2.3:a:university_of_cambridge:exim:*:*:*:*:*:*:*:*
Range: <=4.32

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.debian.org/security/2004/dsa-501nvdPatchVendor Advisory
www.debian.org/security/2004/dsa-502nvdPatchVendor Advisory
www.guninski.com/exim1.htmlnvdExploitPatchVendor Advisory
lists.grok.org.uk/pipermail/full-disclosure/2004-May/021015.htmlnvd
exchange.xforce.ibmcloud.com/vulnerabilities/16077nvd

News mentions

No linked articles in our index yet.

cvss	0.000
epss	0.005
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000