CVE-2007-3998

Name	CVE-2007-3998
Description	The wordwrap function in PHP 4 before 4.4.8, and PHP 5 before 5.2.4, does not properly use the breakcharlen variable, which allows remote attackers to cause a denial of service (divide-by-zero error and application crash, or infinite loop) via certain arguments, as demonstrated by a 'chr(0), 0, ""' argument set.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
References	DSA-1444-1, DSA-1578-1, DTSA-61-1

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin
php4	source	etch	6:4.4.4-8+etch6		DSA-1578-1
php4	source	(unstable)	(unfixed)	low
php5	source	etch	5.2.0-8+etch9		DSA-1444-1
php5	source	lenny	5.2.3-1+lenny1		DTSA-61-1
php5	source	(unstable)	5.2.4-1	low

Notes

this applies to php4 as well
i think it is medium since it can be easily used to DoS on shared hosting systems
a diff between 5.2.3 (debian) and 5.2.4 (upstream) of ext/standard/string.c
so maybe this is already fixed in 5.2.3, not sure
fixed in php5/etch svn
http://cvs.php.net/viewcvs.cgi/php-src/ext/standard/string.c?r1=1.445.2.14.2.63&r2=1.445.2.14.2.64