VULNERABILITY INTELLIGENCE

CVE-2006-1991

CVSS score6.4 NONE
EPSS probability2.24%
CISA KEVNot currently listed
Published2006-04-24
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:P/A:P

Description

The substr_compare function in string.c in PHP 5.1.2 allows context-dependent attackers to cause a denial of service (memory access violation) via an out-of-bounds offset argument.

Weakness classification

  • nvd@nist.gov: CWE-399

Primary references