National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2009-1271 Detail


The JSON_parser function (ext/json/JSON_parser.c) in PHP 5.2.x before 5.2.9 allows remote attackers to cause a denial of service (segmentation fault) via a malformed string to the json_decode API function.

Source:  MITRE      Last Modified:  04/08/2009

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
(AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Not required to exploit
Impact Type:
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (04/15/2009)

This issue did not affect PHP versions as shipped in Red Hat Enterprise Linux 2.1, 3, 4, and 5, and Red Hat Application Stack v1. PHP version in Red Hat Application Stack v2 was fixed via:

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name External Source MISC External Source APPLE APPLE-SA-2009-09-10-2 External Source SUSE SUSE-SR:2009:012 External Source CONFIRM External Source DEBIAN DSA-1775 External Source DEBIAN DSA-1789 External Source MANDRIVA MDVSA-2009:090 External Source MLIST [oss-security] 20090401 CVE request: PHP 5.2.9 Vendor Advisory External Source CONFIRM External Source REDHAT RHSA-2009:0350 External Source UBUNTU USN-761-2 External Source UBUNTU USN-761-1 External Source FEDORA FEDORA-2009-3768 External Source FEDORA FEDORA-2009-3848

Technical Details

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