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Servers and applications

CVE-2015-4116

Use-after-free vulnerability in the spl_ptr_heap_insert function in ext/spl/spl_heap.c in PHP before 5.5.27 and 5.6.x before 5.6.11 allows remote attackers to execute arbitrary code by triggering a failed SplMinHeap::compare operation.

Severity
Critical 9.8
Published
16 May 2016
Last changed
17 Jun 2026
Added to UpHeron
14 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
PHPServers and applications · cpe:a:php:php
  • Version 5.6.10
  • Version 5.6.9
  • Version 5.6.8
  • Version 5.6.7
All 12 release lines
  • Every version up to 5.5.26
  • Version 5.6.0
  • Version 5.6.1
  • Version 5.6.2
  • Version 5.6.3
  • Version 5.6.4
  • Version 5.6.5
  • Version 5.6.6
  • Version 5.6.7
  • Version 5.6.8
  • Version 5.6.9
  • Version 5.6.10

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2015-4116
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2015-4116