UpHeron
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Servers and applications

CVE-2017-12932

ext/standard/var_unserializer.re in PHP 7.0.x through 7.0.22 and 7.1.x through 7.1.8 is prone to a heap use after free while unserializing untrusted data, related to improper use of the hash API for key deletion in a situation with an invalid array size. Exploitation of this issue can have an unspecified impact on the integrity of PHP.

Severity
Critical 9.8
Published
18 Aug 2017
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 7.1.8
  • Version 7.1.7
  • Version 7.1.6
  • Version 7.1.5
All 32 release lines
  • Version 7.0.0
  • Version 7.0.1
  • Version 7.0.2
  • Version 7.0.3
  • Version 7.0.4
  • Version 7.0.5
  • Version 7.0.6
  • Version 7.0.7
  • Version 7.0.8
  • Version 7.0.9
  • Version 7.0.10
  • Version 7.0.11
  • Version 7.0.12
  • Version 7.0.13
  • Version 7.0.14
  • Version 7.0.15
  • Version 7.0.16
  • Version 7.0.17
  • Version 7.0.18
  • Version 7.0.19
  • Version 7.0.20
  • Version 7.0.21
  • Version 7.0.22
  • Version 7.1.0
  • Version 7.1.1
  • Version 7.1.2
  • Version 7.1.3
  • Version 7.1.4
  • Version 7.1.5
  • Version 7.1.6
  • Version 7.1.7
  • Version 7.1.8

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-12932
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-12932