Critical severity · published May 16, 2016
CVE-2015-6834
Multiple use-after-free vulnerabilities in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 allow remote attackers to execute arbitrary code via vectors related to…
9.8
CVSS
46.8%
EPSS
No
On KEV
Description
Multiple use-after-free vulnerabilities in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 allow remote attackers to execute arbitrary code via vectors related to (1) the Serializable interface, (2) the SplObjectStorage class, and (3) the SplDoublyLinkedList class, which are mishandled during unserialization.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)46.8% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
PHP · PHP
through 5.4.44; 5.5.0; 5.5.1; 5.5.2; 5.5.3; 5.5.4; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-6834
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-6834
php.net
http://php.net/ChangeLog-5.php
www.debian.org
http://www.debian.org/security/2015/dsa-3358
www.securityfocus.com
http://www.securityfocus.com/bid/76649
www.securitytracker.com
http://www.securitytracker.com/id/1033548
bugs.php.net
https://bugs.php.net/bug.php?id=70172
bugs.php.net
https://bugs.php.net/bug.php?id=70365
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