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CVE-2004-0837

15
FAUCET Score

CVE-2004-0837 describes a denial-of-service vulnerability affecting MySQL versions 4.x before 4.0.21 and 3.x before 3.23.49. Attackers can trigger a crash or hang by simultaneously altering MERGE table UNIONs with multiple threads. This vulnerability has a low severity CVSS score of 2.6, indicating a network-based attack with high access complexity and partial availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.1.0CPE matchmatch criteria
cpe:2.3:a:mysql:mysql:4.1.0:*:*:*:*:*:*:*
>= 3.20, < 3.23.49CPE matchmatch criteria
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
>= 4.0.0, < 4.0.21CPE matchmatch criteria
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:3.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.6LOW

AV:N/AC:H/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.90%
Probability of exploitation in next 30 days
EPSS Percentile
91.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0490 is in the 91st percentile among its peer group of 1,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

redhatpatch availablevia redhat_api
Product: Red Hat Desktop version 3 Extras
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux AS (Advanced Server) version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux ES version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux WS version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux Advanced Workstation 2.1
View patch

Vendor Advisories (1)

redhatCVE-2004-0837Moderate

security flaw

Jan 15, 2004

References

bugs.mysql.com / 2408
ExploitVendor Advisory
distro.conectiva.com.br / atualizacoes
Broken Link
lists.mysql.com / internals/16168
Vendor Advisory
lists.mysql.com / internals/16173
Vendor Advisory
lists.mysql.com / internals/16174
Vendor Advisory
marc.info
Mailing ListThird Party Advisory
mysql.bkbits.net / mysql-3.23/diffs/myisammrg/myrg_open.c%401.15
secunia.com / advisories/12783
Third Party Advisory
securitytracker.com / id
Third Party AdvisoryVDB Entry
exchange.xforce.ibmcloud.com / vulnerabilities/17667
Third Party AdvisoryVDB Entry
sunsolve.sun.com / search/document.do
Broken Link
ciac.org / ciac/bulletins/p-018.shtml
Broken Link
debian.org / security/2004/dsa-562
Third Party Advisory
gentoo.org / security/en/glsa/glsa-200410-22.xml
Third Party Advisory
redhat.com / support/errata/RHSA-2004-597.html
PatchVendor Advisory
redhat.com / support/errata/RHSA-2004-611.html
Third Party Advisory
securityfocus.com / bid/11357
Third Party AdvisoryVDB Entry
trustix.org / errata/2004/0054
Broken Link