CVE-2008-5557

Name	CVE-2008-5557
Description	Heap-based buffer overflow in ext/mbstring/libmbfl/filters/mbfilter_htmlent.c in the mbstring extension in PHP 4.3.0 through 5.2.6 allows context-dependent attackers to execute arbitrary code via a crafted string containing an HTML entity, which is not properly handled during Unicode conversion, related to the (1) mb_convert_encoding, (2) mb_check_encoding, (3) mb_convert_variables, and (4) mb_parse_str functions.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
References	DSA-1789-1, DTSA-188-1
NVD severity	high (attack range: remote)
Debian Bugs	511493

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
php5 (PTS)	wheezy	5.4.45-0+deb7u2	fixed
	wheezy (security)	5.4.45-0+deb7u5	fixed
	jessie (security), jessie	5.6.24+dfsg-0+deb8u1	fixed
	sid	5.6.26+dfsg-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
php5	source	(unstable)	5.2.6.dfsg.1-1	high		511493
php5	source	etch	5.2.0+dfsg-8+etch15	high	DSA-1789-1
php5	source	lenny	5.2.6.dfsg.1-1+lenny3	high	DSA-1789-1

according to bug report, this was fixed in lenny prior to the release, but was not marked as such at the time