CVE-2015-2787

Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.39, 5.5.x before 5.5.23, and 5.6.x before 5.6.7 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages use of the unset function within an __wakeup function, a related issue to CVE-2015-0231.

• http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.htmlVendor Advisory
• http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.htmlVendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00005.html
• http://lists.opensuse.org/opensuse-updates/2015-04/msg00015.html
• http://marc.info/?l=bugtraq&m=143748090628601&w=2
• http://marc.info/?l=bugtraq&m=144050155601375&w=2
• http://php.net/ChangeLog-5.php
• http://rhn.redhat.com/errata/RHSA-2015-1053.html
• http://rhn.redhat.com/errata/RHSA-2015-1066.html
• http://rhn.redhat.com/errata/RHSA-2015-1135.html
• http://rhn.redhat.com/errata/RHSA-2015-1218.html
• http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
• http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
• http://www.securityfocus.com/bid/73431
• http://www.securitytracker.com/id/1032485
• http://www.ubuntu.com/usn/USN-2572-1
• https://bugs.php.net/bug.php?id=68976Exploit
• https://gist.github.com/smalyshev/eea9eafc7c88a4a6d10d
• https://security.gentoo.org/glsa/201606-10
• https://support.apple.com/HT205267Vendor Advisory
• https://support.apple.com/kb/HT205031Vendor Advisory
• http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.htmlVendor Advisory
• http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.htmlVendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00005.html
• http://lists.opensuse.org/opensuse-updates/2015-04/msg00015.html
• http://marc.info/?l=bugtraq&m=143748090628601&w=2
• http://marc.info/?l=bugtraq&m=144050155601375&w=2
• http://php.net/ChangeLog-5.php
• http://rhn.redhat.com/errata/RHSA-2015-1053.html
• http://rhn.redhat.com/errata/RHSA-2015-1066.html
• http://rhn.redhat.com/errata/RHSA-2015-1135.html
• http://rhn.redhat.com/errata/RHSA-2015-1218.html
• http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
• http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
• http://www.securityfocus.com/bid/73431
• http://www.securitytracker.com/id/1032485
• http://www.ubuntu.com/usn/USN-2572-1
• https://bugs.php.net/bug.php?id=68976Exploit
• https://gist.github.com/smalyshev/eea9eafc7c88a4a6d10d
• https://security.gentoo.org/glsa/201606-10
• https://support.apple.com/HT205267Vendor Advisory
• https://support.apple.com/kb/HT205031Vendor Advisory

Published

Mar 30, 2015

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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