| 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 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| php5 (PTS) | jessie, jessie (lts) | 5.6.40+dfsg-0+deb8u21 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| 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