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CVE-2015-6832 Use-after-free vulnerability in the SPL unserialize implementation in ext/spl/spl_array.c in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 allows remote attackers to execute arbitrary code via crafted serialized data that triggers misuse of an array field.
Severity High 7.3
Published 19 Jan 2016
Last changed 17 Jun 2026
Added to UpHeron 14 Oct 2026
Sources NVD Affected software Software Affected versions PHPServers and applications · cpe:a:php:php Version 5.6.11 Version 5.6.10 Version 5.6.9 Version 5.6.8 All 58 release lines Every version up to 5.4.43 Version 5.5.0-alpha1 Version 5.5.0-alpha2 Version 5.5.0-alpha3 Version 5.5.0-alpha4 Version 5.5.0-alpha5 Version 5.5.0-alpha6 Version 5.5.0-beta1 Version 5.5.0-beta2 Version 5.5.0-beta3 Version 5.5.0-beta4 Version 5.5.0-rc1 Version 5.5.0-rc2 Version 5.5.0 Version 5.5.1 Version 5.5.2 Version 5.5.3 Version 5.5.4 Version 5.5.5 Version 5.5.6 Version 5.5.7 Version 5.5.8 Version 5.5.9 Version 5.5.10 Version 5.5.11 Version 5.5.12 Version 5.5.13 Version 5.5.14 Version 5.5.18 Version 5.5.19 Version 5.5.20 Version 5.5.21 Version 5.5.22 Version 5.5.23 Version 5.5.24 Version 5.5.25 Version 5.5.26 Version 5.5.27 Version 5.6.0-alpha1 Version 5.6.0-alpha2 Version 5.6.0-alpha3 Version 5.6.0-alpha4 Version 5.6.0-alpha5 Version 5.6.0-beta1 Version 5.6.0-beta2 Version 5.6.0-beta3 Version 5.6.0-beta4 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 Version 5.6.11
References NVD https://nvd.nist.gov/vuln/detail/CVE-2015-6832 CVE.org https://www.cve.org/CVERecord?id=CVE-2015-6832