CVE-2015-6832

Severity: high (CVSS 7.3 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-01-19 · updated 2026-06-17

Description

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.

Affected products

PHP: through 5.4.43; 5.5.0, 5.5.0-alpha1, 5.5.0-alpha2, 5.5.0-alpha3, 5.5.0-alpha4, 5.5.0-alpha5 (+51)

References

http://www.debian.org/security/2015/dsa-3344
http://www.php.net/ChangeLog-5.php
https://bugs.php.net/bug.php?id=70068
https://security.gentoo.org/glsa/201606-10
http://www.debian.org/security/2015/dsa-3344
http://www.php.net/ChangeLog-5.php
https://bugs.php.net/bug.php?id=70068
https://security.gentoo.org/glsa/201606-10

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