Vulnerability Description
Multiple use-after-free vulnerabilities in SPL in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 allow remote attackers to execute arbitrary code via vectors involving (1) ArrayObject, (2) SplObjectStorage, and (3) SplDoublyLinkedList, which are mishandled during unserialization.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | < 5.4.44 |
| Debian | Debian Linux | 7.0 |
Related Weaknesses (CWE)
References
- http://www.debian.org/security/2015/dsa-3344
- http://www.openwall.com/lists/oss-security/2015/08/19/3
- http://www.php.net/ChangeLog-5.php
- http://www.securityfocus.com/bid/76737
- https://bugs.php.net/bug.php?id=70155
- https://bugs.php.net/bug.php?id=70166
- https://bugs.php.net/bug.php?id=70168
- https://bugs.php.net/bug.php?id=70169
- https://security.gentoo.org/glsa/201606-10
- http://www.debian.org/security/2015/dsa-3344
- http://www.openwall.com/lists/oss-security/2015/08/19/3
- http://www.php.net/ChangeLog-5.php
- http://www.securityfocus.com/bid/76737
- https://bugs.php.net/bug.php?id=70155
- https://bugs.php.net/bug.php?id=70166
FAQ
What is CVE-2015-6831?
CVE-2015-6831 is a vulnerability with a CVSS score of 7.3 (HIGH). Multiple use-after-free vulnerabilities in SPL in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 allow remote attackers to execute arbitrary code via vectors involving (1) ArrayObject...
How severe is CVE-2015-6831?
CVE-2015-6831 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-6831?
Check the references section above for vendor advisories and patch information. Affected products include: Php Php, Debian Debian Linux.