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Servers and applications

CVE-2003-0073

Double-free vulnerability in mysqld for MySQL before 3.23.55 allows attackers with MySQL access to cause a denial of service (crash) via mysql_change_user.

Severity
Medium 5.0
Published
19 Feb 2003
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
3% in the next 30 daysHigher than 87% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
MySQLServers and applications · cpe:a:oracle:mysql
  • Version 3.23.54a
  • Version 3.23.54
  • Version 3.23.53
  • Version 3.23.52
All 8 release lines
  • Version 3.23.31
  • Version 3.23.36
  • Version 3.23.41
  • Version 3.23.47
  • Version 3.23.52
  • Version 3.23.53
  • Version 3.23.54
  • Version 3.23.54a

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2003-0073
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2003-0073