CVE-2004-0836

Name: CVE-2004-0836
Creator: NVD / NIST
Published: 2004-11-03T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 9.80%

Last modified Jun 16, 2026

CVE-2004-0836 is a vulnerability of currently unknown severity. Buffer overflow in the mysql_real_connect function in MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows remote DNS servers to cause a denial of service and possibly execute arbitrary code via a DNS response with a large address length (h_length).. EPSS estimates a 9.80% chance of exploitation in the next 30 days.

Description

Buffer overflow in the mysql_real_connect function in MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows remote DNS servers to cause a denial of service and possibly execute arbitrary code via a DNS response with a large address length (h_length).

Metrics

EPSS Probability

9.80%

94.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Oracle	Mysql	>= 3.20, < 3.23.49
Oracle	Mysql	>= 4.0.0, < 4.0.21
Debian	Debian Linux	3.0

References

http://bugs.mysql.com/bug.php?id=4017Exploit, Vendor Advisory
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000892Broken Link
http://lists.mysql.com/internals/14726Vendor Advisory
http://marc.info/?l=bugtraq&m=110140517515735&w=2Mailing List, Third Party Advisory
http://secunia.com/advisories/12305/Third Party Advisory
http://www.ciac.org/ciac/bulletins/p-018.shtmlBroken Link
http://www.debian.org/security/2004/dsa-562Third Party Advisory
http://www.gentoo.org/security/en/glsa/glsa-200410-22.xmlThird Party Advisory
http://www.redhat.com/support/errata/RHSA-2004-597.htmlPatch, Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2004-611.htmlPatch, Vendor Advisory
http://www.securityfocus.com/bid/10981Third Party Advisory, VDB Entry
http://www.trustix.org/errata/2004/0054/Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/17047Third Party Advisory, VDB Entry
http://bugs.mysql.com/bug.php?id=4017Exploit, Vendor Advisory
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000892Broken Link
http://lists.mysql.com/internals/14726Vendor Advisory
http://marc.info/?l=bugtraq&m=110140517515735&w=2Mailing List, Third Party Advisory
http://secunia.com/advisories/12305/Third Party Advisory
http://www.ciac.org/ciac/bulletins/p-018.shtmlBroken Link
http://www.debian.org/security/2004/dsa-562Third Party Advisory
http://www.gentoo.org/security/en/glsa/glsa-200410-22.xmlThird Party Advisory
http://www.redhat.com/support/errata/RHSA-2004-597.htmlPatch, Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2004-611.htmlPatch, Vendor Advisory
http://www.securityfocus.com/bid/10981Third Party Advisory, VDB Entry
http://www.trustix.org/errata/2004/0054/Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/17047Third Party Advisory, VDB Entry

Timeline

Published: Nov 3, 2004
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2004-0836?

How severe is CVE-2004-0836?

Severity scoring for CVE-2004-0836 is pending analysis. The EPSS model estimates a 9.80% probability of exploitation in the next 30 days.

How do I fix CVE-2004-0836?

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.

Are you affected by CVE-2004-0836?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST