UpHeron
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Servers and applications

CVE-2012-3450

pdo_sql_parser.re in the PDO extension in PHP before 5.3.14 and 5.4.x before 5.4.4 does not properly determine the end of the query string during parsing of prepared statements, which allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted parameter value.

Severity
Low 2.6
Published
6 Aug 2012
Last changed
16 Jun 2026
Added to UpHeron
14 Oct 2026
Exploit chance
11% in the next 30 daysHigher than 96% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · Only under certain conditions · No login needed
Attacker can
Slow it down
CVSS vector
AV:N/AC:H/Au:N/C:N/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
PHPServers and applications · cpe:a:php:php
  • Version 5.4.3
  • Version 5.4.2
  • Version 5.4.1
  • Version 5.4.0
All 18 release lines
  • Every version up to 5.3.13
  • Version 5.3.0
  • Version 5.3.1
  • Version 5.3.2
  • Version 5.3.3
  • Version 5.3.4
  • Version 5.3.5
  • Version 5.3.6
  • Version 5.3.7
  • Version 5.3.8
  • Version 5.3.9
  • Version 5.3.10
  • Version 5.3.11
  • Version 5.3.12
  • Version 5.4.0
  • Version 5.4.1
  • Version 5.4.2
  • Version 5.4.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-3450
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-3450