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PHP CVEs

Vulnerabilities in the PHP language itself, and which PHP versions they affect.

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CVE-2006-1991

MEDIUM 6.4 CVSS 2.0
Published
April 24, 2006
Last modified
June 16, 2026
NVD status
Modified
Reported by
secalert@redhat.com
Weakness
CWE-399
CVSS vector
AV: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.

Affected products and versions

  • PHP versions 5.1.2

References