CVE-2006-1991

MediumCVSS 6.4/10Last modified Jun 16, 2026

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.

Metrics

CVSS 2.0 6.4/10AV:N/AC:L/Au:N/C:N/I:P/A:P

Weakness enumeration

CWE-399

Affected software

No affected versions have been published.

Timeline

Published
Apr 24, 2006
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2006-1991: Medium severity, CVSS 6.4 | Vulnix