VULNERABILITY INTELLIGENCE
CVE-2016-6296
CVSS score9.8 CRITICAL
EPSS probability6.27%
CISA KEVNot currently listed
Published2016-07-25
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
Integer signedness error in the simplestring_addn function in simplestring.c in xmlrpc-epi through 0.54.2, as used in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9, allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a long first argument to the PHP xmlrpc_encode_request function.
Weakness classification
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
Primary references
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org — Mailing List
- cve@mitre.org — Release Notes
- cve@mitre.org — Release Notes
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org — Third Party Advisory, VDB Entry
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org — Exploit, Issue Tracking
- cve@mitre.org