VULNERABILITY INTELLIGENCE
CVE-2006-4020
CVSS score4.6 MEDIUM
CISA KEVNot currently listed
Published2006-08-08
Last modified2026-06-16
CVSS vectorAV:L/AC:L/Au:N/C:P/I:P/A:P
Description
scanf.c in PHP 5.1.4 and earlier, and 4.4.3 and earlier, allows context-dependent attackers to execute arbitrary code via a sscanf PHP function call that performs argument swapping, which increments an index past the end of an array and triggers a buffer over-read.