Oracle MySQL 5.1 before 5.1.49 allows remote authenticated users to cause a denial of service (mysqld daemon crash) by creating temporary tables with nullable columns while using InnoDB, which triggers an assertion failure.
Severity
Medium 4.0
Published
11 Jan 2011
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
12% in the next 30 daysHigher than 96% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · Needs a login
Attacker can
Slow it down
CVSS vector
AV:N/AC:L/Au:S/C:N/I:N/A:P
Sources
NVD
Affected software
Software
Affected versions
MySQLServers and applications · cpe:a:oracle:mysql