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01 Record

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 (crash or hang) via multiple threads that simultaneously alter MERGE table UNIONs.

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

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.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
4.90% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 91.8% of scored records. A rank, not a probability.
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Modified. NVD last modified this record on 2026-06-16.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2004-10-16 04:00Z22 YR AGO
Last updated
2024-08-08 00:31Z2 YR AGO
Reserved
2004-09-08
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
5315c8f98c3059c6cba2201deb89a99ececbe89b9f35a83ce2f1e9322ecee352

05 Affected products

VendorProductVersionsPlatforms
debiandebian_linuxNot specified—
mysqlmysqlNot specified—
oraclemysqlNot specified—
redhatenterprise_linuxNot specified—
redhatrhel_extrasNot specified—

06 References