VULNERABILITY INTELLIGENCE
CVE-2009-1271
CVSS score5 MEDIUM
EPSS probability2.40%
CISA KEVNot currently listed
Published2009-04-08
Last modified2026-06-16
CVSS vectorAV: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.