CVE-2009-4019

CVE-2009-4019 is a medium-severity vulnerability in Mysql with a CVSS 2.0 base score of 4.0. Its EPSS exploit-prediction score of 16% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.0)
• EPSS exploit prediction: 16% (97th percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Mysql
• Published: 2009-11-30
• Last modified: 2026-06-16

Description

mysqld in MySQL 5.0.x before 5.0.88 and 5.1.x before 5.1.41 does not (1) properly handle errors during execution of certain SELECT statements with subqueries, and does not (2) preserve certain null_value flags during execution of statements that use the GeomFromWKB function, which allows remote authenticated users to cause a denial of service (daemon crash) via a crafted statement.

Frequently asked questions

What is CVE-2009-4019?

mysqld in MySQL 5.0.x before 5.0.88 and 5.1.x before 5.1.41 does not (1) properly handle errors during execution of certain SELECT statements with subqueries, and does not (2) preserve certain null_value flags during execution of statements that use the GeomFromWKB function, which allows remote authenticated users to cause a denial of service (daemon crash) via a crafted statement.

How severe is CVE-2009-4019?

CVE-2009-4019 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2009-4019 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4019?

CVE-2009-4019 primarily affects Mysql. In total, 81 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-4019?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-4019 published?

CVE-2009-4019 was published on 2009-11-30 and last updated on 2026-06-16.

References

• http://bugs.mysql.com/47780
• http://bugs.mysql.com/48291
• http://dev.mysql.com/doc/refman/5.0/en/news-5-0-88.html
• http://dev.mysql.com/doc/refman/5.1/en/news-5-1-41.html
• http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
• http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
• http://marc.info/?l=oss-security&m=125881733826437&w=2
• http://marc.info/?l=oss-security&m=125883754215621&w=2
• http://marc.info/?l=oss-security&m=125901161824278&w=2
• http://secunia.com/advisories/37717
• http://secunia.com/advisories/38517
• http://secunia.com/advisories/38573
• http://support.apple.com/kb/HT4077
• http://ubuntu.com/usn/usn-897-1
• http://www.debian.org/security/2010/dsa-1997
• http://www.redhat.com/support/errata/RHSA-2010-0109.html
• http://www.ubuntu.com/usn/USN-1397-1
• http://www.vupen.com/english/advisories/2010/1107
• https://bugzilla.redhat.com/show_bug.cgi?id=540906
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11349
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8500
• https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00764.html

Affected products (81)

• cpe:2.3:a:mysql:mysql:5.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.0.5.0.21:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.0.10:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.0.15:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.0.16:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.0.17:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.0.20:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.0.22.1.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.0.24:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.0.30:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.0.36:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.0.44:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.0.54:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.0.56:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.0.60:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.0.66:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.0.82:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.1.5:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.1.23:*:*:*:*:*:*:*
• cpe:2.3:a:mysql:mysql:5.1.32:*:*:*:*:*:*:*
• cpe:2.3:a:oracle:mysql:5.0.0:alpha:*:*:*:*:*:*
• cpe:2.3:a:oracle:mysql:5.0.3:beta:*:*:*:*:*:*
• cpe:2.3:a:oracle:mysql:5.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:oracle:mysql:5.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:oracle:mysql:5.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:oracle:mysql:5.0.11:*:*:*:*:*:*:*
• cpe:2.3:a:oracle:mysql:5.0.12:*:*:*:*:*:*:*
• cpe:2.3:a:oracle:mysql:5.0.13:*:*:*:*:*:*:*
• cpe:2.3:a:oracle:mysql:5.0.14:*:*:*:*:*:*:*
• cpe:2.3:a:oracle:mysql:5.0.18:*:*:*:*:*:*:*
• cpe:2.3:a:oracle:mysql:5.0.19:*:*:*:*:*:*:*
• cpe:2.3:a:oracle:mysql:5.0.21:*:*:*:*:*:*:*
• cpe:2.3:a:oracle:mysql:5.0.22:*:*:*:*:*:*:*
• cpe:2.3:a:oracle:mysql:5.0.23:*:*:*:*:*:*:*
• cpe:2.3:a:oracle:mysql:5.0.25:*:*:*:*:*:*:*

More vulnerabilities in Mysql

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