Vulnerability Database

317,182

Total vulnerabilities in the database

CVE-2009-1271

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.

  • Published: Apr 8, 2009
  • Updated: Nov 9, 2025
  • CVE: CVE-2009-1271
  • Severity: Medium
  • Exploit:

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

No CWE or OWASP classifications available.

Software From Fixed in
php / php 5.2.4 5.2.4.x
php / php 5.2.7 5.2.7.x
php / php 5.2.2 5.2.2.x
php / php 5.2.5 5.2.5.x
php / php 5.2.6 5.2.6.x
php / php 5.2.3 5.2.3.x
php / php 5.2.0 5.2.0.x
php / php 5.2.1 5.2.1.x
php / php 5.2.8 5.2.8.x