Heap-based buffer overflow in the wordwrap function in PHP after 4.1.2 and before 4.3.0 may allow attackers to cause a denial of service or execute arbitrary code.
https://exchange.xforce.ibmcloud.com/vulnerabilities/10944
http://www.securityfocus.com/bid/6488
http://www.securityfocus.com/advisories/4862
http://www.redhat.com/support/errata/RHSA-2003-017.html
http://www.novell.com/linux/security/advisories/2003_009_mod_php4.html
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:019
http://marc.info/?l=bugtraq&m=104102689503192&w=2
http://bugs.php.net/bug.php?id=20927
http://archives.neohapsis.com/archives/linux/engarde/2003-q1/0003.html