CVE-2016-7133
php: memory allocator fails to realloc small block to large one
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · September 2, 2016
Updated · November 21, 2025
Description
Zend/zend_alloc.c in PHP 7.x before 7.0.10, when open_basedir is enabled, mishandles huge realloc operations, which allows remote attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact via a long pathname.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 · 4.3AV:N/AC:M/Au:N/C:N/I:N/A:P
CWE not specified