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CVE-2007-4661 Details

Description

The chunk_split function in string.c in PHP 5.2.3 does not properly calculate the needed buffer size due to precision loss when performing integer arithmetic with floating point numbers, which has unknown attack vectors and impact, possibly resulting in a heap-based buffer overflow. NOTE: this is due to an incomplete fix for CVE-2007-2872.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://cvs.php.net/viewvc.cgi/php-src/ext/standard/string.c?r1=1.445.2.14.2.58&r2=1.445.2.14.2.59	CVE	Exploit
http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html	CVE
http://secunia.com/advisories/26642	CVE	Patch
http://secunia.com/advisories/26838	CVE
http://secunia.com/advisories/27102	CVE
http://secunia.com/advisories/27864	CVE
http://secunia.com/advisories/28658	CVE
https://issues.rpath.com/browse/RPL-1702	CVE
https://launchpad.net/bugs/173043	CVE
https://usn.ubuntu.com/549-1/	CVE
http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml	CVE
http://www.php.net/ChangeLog-5.php#5.2.4	CVE
http://www.php.net/releases/5_2_4.php	CVE	Patch
http://www.ubuntu.com/usn/usn-549-2	CVE
http://cvs.php.net/viewvc.cgi/php-src/ext/standard/string.c?r1=1.445.2.14.2.58&r2=1.445.2.14.2.59	[email protected]	Exploit
http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html	[email protected]
http://secunia.com/advisories/26642	[email protected]	Patch
http://secunia.com/advisories/26838	[email protected]
http://secunia.com/advisories/27102	[email protected]
http://secunia.com/advisories/27864	[email protected]
http://secunia.com/advisories/28658	[email protected]
https://issues.rpath.com/browse/RPL-1702	[email protected]
https://launchpad.net/bugs/173043	[email protected]
https://usn.ubuntu.com/549-1/	[email protected]
http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml	[email protected]
http://www.php.net/ChangeLog-5.php#5.2.4	[email protected]
http://www.php.net/releases/5_2_4.php	[email protected]	Patch
http://www.ubuntu.com/usn/usn-549-2	[email protected]

see all 28 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	[email protected]
CWE-399	Resource Management Errors	[email protected]

Affected Products

Product	Versions
php php	5.2.3
CPE cpe:2.3:a:php:php:5.2.3:::::::* Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 23, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Oct 3, 2018	CVE Modified	[email protected]
Sep 5, 2007	Initial Analysis	[email protected]