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PHP CVEs

Vulnerabilities in the PHP language itself, and which PHP versions they affect.

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CVE-2009-1271

MEDIUM 5.0 CVSS 2.0
Published
April 8, 2009
Last modified
June 16, 2026
NVD status
Modified
Reported by
cve@mitre.org
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P

Description

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.

Affected products and versions

  • PHP versions 5.2.0, 5.2.1, 5.2.2, 5.2.3, 5.2.4, 5.2.5, 5.2.6, 5.2.7, 5.2.8

References