UpHeron
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Servers and applications

CVE-2015-6831

Multiple use-after-free vulnerabilities in SPL in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 allow remote attackers to execute arbitrary code via vectors involving (1) ArrayObject, (2) SplObjectStorage, and (3) SplDoublyLinkedList, which are mishandled during unserialization.

Severity
High 7.3
Published
19 Jan 2016
Last changed
17 Jun 2026
Added to UpHeron
14 Oct 2026
Fixed in
5.4.44, 5.5.28, 5.6.12
Sources
NVD

Affected software

SoftwareAffected versions
PHPServers and applications · cpe:a:php:php
  • Every version before 5.4.44
  • From 5.5.0 before 5.5.28
  • From 5.6.0 before 5.6.12

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2015-6831
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2015-6831