CVE-2015-4024

Name	CVE-2015-4024
Description	Algorithmic complexity vulnerability in the multipart_buffer_headers function in main/rfc1867.c in PHP before 5.4.41, 5.5.x before 5.5.25, and 5.6.x before 5.6.9 allows remote attackers to cause a denial of service (CPU consumption) via crafted form data that triggers an improper order-of-growth outcome.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-3280-1

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

Package	Type	Release	Fixed Version	Origin
hhvm	source	(unstable)	3.11.0+dfsg-1
php5	source	wheezy	5.4.41-0+deb7u1	DSA-3280-1
php5	source	jessie	5.6.9+dfsg-0+deb8u1	DSA-3280-1
php5	source	(unstable)	5.6.9+dfsg-1

Notes

[squeeze] - php5 <no-dsa> (Too intrusive to backport)
https://bugs.php.net/bug.php?id=69364
https://www.openwall.com/lists/oss-security/2015/05/18/2
Fixed upstream in 5.4.41, 5.5.25, 5.6.9
HHVM fix: https://github.com/facebook/hhvm/commit/6188457bd90ed2f3516e778dca8e91536d91802e