CVE-2004-0837

MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows attackers to cause a denial of service ...

2.6 Low

MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows attackers to cause a denial of service (crash or hang) via multiple threads that simultaneously alter MERGE table UNIONs.

Exploit likelihood

4.90%Up 2.2 points since Feb 4, 2022

What each source reports

NVD Score used 2.6

MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows attackers to cause a denial of service (crash or hang) via multiple threads that simultaneously alter MERGE table UNIONs.

Record: CVE-2004-0837
CVSS 2.0: 2.6 LowAV:N/AC:H/Au:N/C:N/I:N/A:P
Updated: 2026-11-02

CVE List No score

MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows attackers to cause a denial of service (crash or hang) via multiple threads that simultaneously alter MERGE table UNIONs.

Record: CVE-2004-0837
Updated: 2026-11-02

EUVDEUVD-2004-0835 No score

MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows attackers to cause a denial of service (crash or hang) via multiple threads that simultaneously alter MERGE table UNIONs.

Record: EUVD-2004-0835
Updated: 2026-11-03

GitHub AdvisoriesGHSA-8p34-xxjh-4hrg No score

MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows attackers to cause a denial of service ...

MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows attackers to cause a denial of service (crash or hang) via multiple threads that simultaneously alter MERGE table UNIONs.

Record: GHSA-8p34-xxjh-4hrg
Updated: 2026-11-02

OSVBELL-CVE-2004-0837 2.6

CVE-2004-0837 does not affect BellSoft software

Record: BELL-CVE-2004-0837
CVSS 2.0: 2.6 LowAV:N/AC:H/Au:N/C:N/I:N/A:P
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`mysql` Debian:3.0 From an advisory covering 3 CVEs	before 3.23.49-8.8	3.23.49-8.8

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2004-0837 is a low vulnerability (CVSS 2.6) in Mysql, published October 11, 2004. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.90%, the 92nd percentile. No source names a fixed version.

References

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