CVE-2017-5340

9.8 CRITICAL
Published: January 11, 2017 Modified: May 06, 2026
View on NVD

Description

Zend/zend_hash.c in PHP before 7.0.15 and 7.1.x before 7.1.1 mishandles certain cases that require large array allocations, which allows remote attackers to execute arbitrary code or cause a denial of service (integer overflow, uninitialized memory access, and use of arbitrary destructor function pointers) via crafted serialized data.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/95371
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037659
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:1296
Source: cve@mitre.org
Third Party Advisory
https://bugs.php.net/bug.php?id=73832
Source: cve@mitre.org
Exploit Issue Tracking VDB Entry Vendor Advisory
https://security.netapp.com/advisory/ntap-20180112-0001/
Source: cve@mitre.org
Third Party Advisory
http://www.securityfocus.com/bid/95371
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037659
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:1296
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://bugs.php.net/bug.php?id=73832
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Issue Tracking VDB Entry Vendor Advisory
https://github.com/php/php-src/commit/4cc0286f2f3780abc6084bcdae5dce595daa3c12
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20180112-0001/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

12 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
16.7%
97th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

netapp php