Vulnerability in Php
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 (1) the Serializable interface, (2) the SplObjectStorage class, and (3) the SplDoublyLinkedList class, which are mishandled during unserialization.
EPSS: 0.468 (98.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Php — versions 5.5.0, 5.5.1, 5.5.2
- N/a — versions n/a
Public proof-of-concept exploits
References
- security@opentext.com (x_refsource_CONFIRM)
- security@opentext.com (vdb-entry, x_refsource_SECTRACK)
- security@opentext.com (vdb-entry, x_refsource_BID)
- 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_DEBIAN)
- security@opentext.com (vendor-advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2015-6834?
- CVE-2015-6834 is a critical-severity vulnerability in Php. CVSS score: 9.8/10. Published 2016-05-16.
- How severe is CVE-2015-6834?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2015-6834 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.