Unrated severityNVD Advisory· Published Jul 7, 2004· Updated Jun 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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Exim/Exim2 versions
cpe:2.3:a:university_of_cambridge:exim:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:university_of_cambridge:exim:*:*:*:*:*:*:*:*range: <=4.32
- (no CPE)range: <4.33

Patches

Vulnerability mechanics

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

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