UpHeron
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Servers and applications

CVE-2016-6623

An issue was discovered in phpMyAdmin. An authorized user can cause a denial-of-service (DoS) attack on a server by passing large values to a loop. All 4.6.x versions (prior to 4.6.4), 4.4.x versions (prior to 4.4.15.8), and 4.0.x versions (prior to 4.0.10.17) are affected.

Severity
Medium 6.5
Published
11 Dec 2016
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.7% in the next 30 daysHigher than 77% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Improper input validation (CWE-20)
Attack
Over the network · Needs a user account · No user action needed
Attacker can
Take it down
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Sources
NVD

Affected software

SoftwareAffected versions
phpMyAdminServers and applications · cpe:a:phpmyadmin:phpmyadmin
  • Version 4.6.3
  • Version 4.6.2
  • Version 4.6.1
  • Version 4.6.0
All 60 release lines
  • Version 4.0.0
  • Version 4.0.1
  • Version 4.0.2
  • Version 4.0.3
  • Version 4.0.4
  • Version 4.0.4.1
  • Version 4.0.4.2
  • Version 4.0.5
  • Version 4.0.6
  • Version 4.0.7
  • Version 4.0.8
  • Version 4.0.9
  • Version 4.0.10
  • Version 4.0.10.1
  • Version 4.0.10.2
  • Version 4.0.10.3
  • Version 4.0.10.4
  • Version 4.0.10.5
  • Version 4.0.10.6
  • Version 4.0.10.7
  • Version 4.0.10.8
  • Version 4.0.10.9
  • Version 4.0.10.10
  • Version 4.0.10.11
  • Version 4.0.10.12
  • Version 4.0.10.13
  • Version 4.0.10.14
  • Version 4.0.10.15
  • Version 4.0.10.16
  • Version 4.4.0
  • Version 4.4.1
  • Version 4.4.1.1
  • Version 4.4.2
  • Version 4.4.3
  • Version 4.4.4
  • Version 4.4.5
  • Version 4.4.6
  • Version 4.4.6.1
  • Version 4.4.7
  • Version 4.4.8
  • Version 4.4.9
  • Version 4.4.10
  • Version 4.4.11
  • Version 4.4.12
  • Version 4.4.13
  • Version 4.4.13.1
  • Version 4.4.14
  • Version 4.4.14.1
  • Version 4.4.15
  • Version 4.4.15.1
  • Version 4.4.15.2
  • Version 4.4.15.3
  • Version 4.4.15.4
  • Version 4.4.15.5
  • Version 4.4.15.6
  • Version 4.4.15.7
  • Version 4.6.0
  • Version 4.6.1
  • Version 4.6.2
  • Version 4.6.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-6623
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-6623