high
7.5
CWE
416
Advisory Published
Updated

CVE-2015-6832: Use After Free

First published: Tue Jan 19 2016(Updated: )

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.

Credit: meissner@suse.de

Affected SoftwareAffected VersionHow to fix
PHP<=5.4.43
PHP=5.5.0
PHP=5.5.0-alpha1
PHP=5.5.0-alpha2
PHP=5.5.0-alpha3
PHP=5.5.0-alpha4
PHP=5.5.0-alpha5
PHP=5.5.0-alpha6
PHP=5.5.0-beta1
PHP=5.5.0-beta2
PHP=5.5.0-beta3
PHP=5.5.0-beta4
PHP=5.5.0-rc1
PHP=5.5.0-rc2
PHP=5.5.1
PHP=5.5.2
PHP=5.5.3
PHP=5.5.4
PHP=5.5.5
PHP=5.5.6
PHP=5.5.7
PHP=5.5.8
PHP=5.5.9
PHP=5.5.10
PHP=5.5.11
PHP=5.5.12
PHP=5.5.13
PHP=5.5.14
PHP=5.5.18
PHP=5.5.19
PHP=5.5.20
PHP=5.5.21
PHP=5.5.22
PHP=5.5.23
PHP=5.5.24
PHP=5.5.25
PHP=5.5.26
PHP=5.5.27
PHP=5.6.0-alpha1
PHP=5.6.0-alpha2
PHP=5.6.0-alpha3
PHP=5.6.0-alpha4
PHP=5.6.0-alpha5
PHP=5.6.0-beta1
PHP=5.6.0-beta2
PHP=5.6.0-beta3
PHP=5.6.0-beta4
PHP=5.6.1
PHP=5.6.2
PHP=5.6.3
PHP=5.6.4
PHP=5.6.5
PHP=5.6.6
PHP=5.6.7
PHP=5.6.8
PHP=5.6.9
PHP=5.6.10
PHP=5.6.11

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2015-6832?

    CVE-2015-6832 has a critical severity rating due to its potential to allow remote code execution.

  • How do I fix CVE-2015-6832?

    To fix CVE-2015-6832, upgrade PHP to version 5.4.44, 5.5.28, or 5.6.12 or later.

  • What versions of PHP are affected by CVE-2015-6832?

    CVE-2015-6832 affects PHP versions 5.4.43 and earlier, all 5.5.x before 5.5.28, and all 5.6.x before 5.6.12.

  • What type of vulnerability is CVE-2015-6832?

    CVE-2015-6832 is a use-after-free vulnerability in the SPL unserialize implementation.

  • Can CVE-2015-6832 be exploited remotely?

    Yes, CVE-2015-6832 can be exploited remotely through crafted serialized data.

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