National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2007-0911 Detail


Off-by-one error in the str_ireplace function in PHP 5.2.1 might allow context-dependent attackers to cause a denial of service (crash).

Source:  MITRE      Last Modified:  02/13/2007

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
7.8 HIGH
(AV:N/AC:L/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Not required to exploit
Impact Type:
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (02/16/2007)

Not vulnerable. This flaw is a regression of the fix for CVE-2007-0906 affecting PHP version 5.2.1 only which results in any use of str_replace() causing a crash regardless of user input. These issues did not affect the versions of PHP as shipped with Red Hat Enterprise Linux 2.1, 3, or 4.

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Hyperlink Resource Type Source Name External Source MISC External Source SUSE SUSE-SA:2007:020 External Source MLIST [php-dev] 20070209 PHP 5.2.1 crashing Apache/IIS... External Source MLIST [php-dev] 20070210 Re: PHP 5.2.1 crashing Apache/IIS... External Source GENTOO GLSA-200703-21 External Source BUGTRAQ 20070209 PHP 5.2.1 crash bug Exploit External Source BID 22505

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1

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Change History 2 change records found - show changes