Use After Free in Php
CVE-2015-6831
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.
Vulnerability class: Use-After-Free
EPSS: 0.071 (93.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Php
- Debian Debian_linux — versions 7.0, 8.0
- N/a — versions n/a
Weakness classification (CWE)
References
- security@opentext.com (vendor-advisory, x_refsource_DEBIAN)
- security@opentext.com (vdb-entry, x_refsource_BID)
- security@opentext.com (x_refsource_CONFIRM)
- security@opentext.com (x_refsource_CONFIRM)
- security@opentext.com (mailing-list, x_refsource_MLIST)
- security@opentext.com (x_refsource_CONFIRM)
- security@opentext.com (x_refsource_CONFIRM)
- security@opentext.com (x_refsource_CONFIRM)
- security@opentext.com (vendor-advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2015-6831?
- CVE-2015-6831 is a high-severity vulnerability in Php, classified under Use After Free. CVSS score: 7.3/10. Published 2016-01-19.
- How severe is CVE-2015-6831?
- High severity. CVSS v3 base score is 7.3 out of 10.