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Servers and applications

CVE-2010-2191

The (1) parse_str, (2) preg_match, (3) unpack, and (4) pack functions; the (5) ZEND_FETCH_RW, (6) ZEND_CONCAT, and (7) ZEND_ASSIGN_CONCAT opcodes; and the (8) ArrayObject::uasort method in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allow context-dependent attackers to obtain sensitive information (memory contents) or trigger memory corruption by causing a userspace interruption of an internal…

Severity
Medium 6.4
Published
8 Jun 2010
Last changed
16 Jun 2026
Added to UpHeron
14 Oct 2026
Exploit chance
2.4% in the next 30 daysHigher than 84% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Memory buffer errors (CWE-119)
Attack
Over the network · No login needed
Attacker can
Read some data · Change some data
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:N
Sources
NVD

Description

The (1) parse_str, (2) preg_match, (3) unpack, and (4) pack functions; the (5) ZEND_FETCH_RW, (6) ZEND_CONCAT, and (7) ZEND_ASSIGN_CONCAT opcodes; and the (8) ArrayObject::uasort method in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allow context-dependent attackers to obtain sensitive information (memory contents) or trigger memory corruption by causing a userspace interruption of an internal function or handler. NOTE: vectors 2 through 4 are related to the call time pass by reference feature.

From NVD.

Affected software

SoftwareAffected versions
PHPServers and applications · cpe:a:php:php
  • Version 5.3.2
  • Version 5.3.1
  • Version 5.3.0
  • Version 5.2.13
All 17 release lines
  • Version 5.2.0
  • Version 5.2.1
  • Version 5.2.2
  • Version 5.2.3
  • Version 5.2.4
  • Version 5.2.5
  • Version 5.2.6
  • Version 5.2.7
  • Version 5.2.8
  • Version 5.2.9
  • Version 5.2.10
  • Version 5.2.11
  • Version 5.2.12
  • Version 5.2.13
  • Version 5.3.0
  • Version 5.3.1
  • Version 5.3.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2010-2191
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2010-2191