What’s Vulnerable › Vulnerabilities

CVE-2015-4602

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 10.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2016-05-16 · updated 2026-06-17

Description

The __PHP_Incomplete_Class function in ext/standard/incomplete_class.c in PHP before 5.4.40, 5.5.x before 5.5.24, and 5.6.x before 5.6.8 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via an unexpected data type, related to a "type confusion" issue.

Affected products

• PHP: through 5.4.39; 5.5.0, 5.5.1, 5.5.2, 5.5.3, 5.5.4, 5.5.5 (+26)
• Red Hat Enterprise Linux: 6.0, 7.0
• RedHat Enterprise Linux Desktop: 7.0
• RedHat Enterprise Linux Hpc Node: 7.0
• RedHat Enterprise Linux Hpc Node Eus: 7.1
• RedHat Enterprise Linux Server: 7.0
• RedHat Enterprise Linux Server Eus: 7.1
• RedHat Enterprise Linux Workstation: 7.0

References

• http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=fb83c76deec58f1fab17c350f04c9f042e5977d1
• http://php.net/ChangeLog-5.php
• http://rhn.redhat.com/errata/RHSA-2015-1135.html
• http://rhn.redhat.com/errata/RHSA-2015-1186.html
• http://rhn.redhat.com/errata/RHSA-2015-1187.html
• http://rhn.redhat.com/errata/RHSA-2015-1218.html
• http://www.openwall.com/lists/oss-security/2015/06/16/12
• http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
• http://www.securityfocus.com/bid/75249
• http://www.securitytracker.com/id/1032709
• https://bugs.php.net/bug.php?id=69152
• http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=fb83c76deec58f1fab17c350f04c9f042e5977d1

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