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Servers and applications

CVE-2007-1711

Double free vulnerability in the unserializer in PHP 4.4.5 and 4.4.6 allows context-dependent attackers to execute arbitrary code by overwriting variables pointing to (1) the GLOBALS array or (2) the session data in _SESSION. NOTE: this issue was introduced when attempting to patch CVE-2007-1701 (MOPB-31-2007).

Severity
Medium 6.8
Published
27 Mar 2007
Last changed
16 Jun 2026
Added to UpHeron
14 Oct 2026
Exploit chance
7.7% in the next 30 daysHigher than 94% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
PHPServers and applications · cpe:a:php:php
  • Version 4.4.5
  • Version 4.4.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2007-1711
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2007-1711