CVE-2007-4661
HIGH · CVSS 7.5EPSS 2.4%EU EUVD
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.
Key facts
- CVSS score
- 7.5 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-119
- EPSS score
- 2.4% (84th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2007-4643)
- Published
- September 4, 2007
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2007-4643 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- php / php
References
- 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(Exploit)
- http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html
- http://secunia.com/advisories/26642(Patch)
- http://secunia.com/advisories/26838
- http://secunia.com/advisories/27102
- http://secunia.com/advisories/27864
- http://secunia.com/advisories/28658
- http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml
- http://www.php.net/ChangeLog-5.php#5.2.4
- http://www.php.net/releases/5_2_4.php(Patch)
- http://www.ubuntu.com/usn/usn-549-2
- https://issues.rpath.com/browse/RPL-1702
- https://launchpad.net/bugs/173043
- https://usn.ubuntu.com/549-1/
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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