CVE-2004-0400
UnknownEPSS 6.97%
Last modified
CVE-2004-0400 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 6.97% chance of exploitation in the next 30 days.
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.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| University Of Cambridge | Exim | <= 4.32 |
References
- http://www.debian.org/security/2004/dsa-501Patch, Vendor Advisory
- http://www.debian.org/security/2004/dsa-502Patch, Vendor Advisory
- http://www.guninski.com/exim1.htmlExploit, Patch, Vendor Advisory
- http://www.debian.org/security/2004/dsa-501Patch, Vendor Advisory
- http://www.debian.org/security/2004/dsa-502Patch, Vendor Advisory
- http://www.guninski.com/exim1.htmlExploit, Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2004-0400?
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.
How severe is CVE-2004-0400?
Severity scoring for CVE-2004-0400 is pending analysis. The EPSS model estimates a 6.97% probability of exploitation in the next 30 days.
How do I fix CVE-2004-0400?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2004-0400?
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