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CVE-2012-0491

Unspecified vulnerability in the MySQL Server component in Oracle MySQL 5.5.x allows remote authenticated users to affect availability via unknown vectors, a different vulnerability than CVE-2012-0117, CVE-2012-0486, CVE-2012-0487, CVE-2012-0488, CVE-2012-0489, CVE-2012-0493, and CVE-2012-0495.

Severity
Medium 4.0
Published
18 Jan 2012
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
2.4% in the next 30 daysHigher than 84% 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

SoftwareAffected versions
MySQLServers and applications · cpe:a:oracle:mysql
  • Version 5.5.21
  • Version 5.5.20
  • Version 5.5.19
  • Version 5.5.18
All 22 release lines
  • Version 5.5.0
  • Version 5.5.1
  • Version 5.5.2
  • Version 5.5.3
  • Version 5.5.4
  • Version 5.5.5
  • Version 5.5.6
  • Version 5.5.7
  • Version 5.5.8
  • Version 5.5.9
  • Version 5.5.10
  • Version 5.5.11
  • Version 5.5.12
  • Version 5.5.13
  • Version 5.5.14
  • Version 5.5.15
  • Version 5.5.16
  • Version 5.5.17
  • Version 5.5.18
  • Version 5.5.19
  • Version 5.5.20
  • Version 5.5.21

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-0491
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-0491