CVE-2006-4020

Name	CVE-2006-4020
Description	scanf.c in PHP 5.1.4 and earlier, and 4.4.3 and earlier, allows context-dependent attackers to execute arbitrary code via a sscanf PHP function call that performs argument swapping, which increments an index past the end of an array and triggers a buffer over-read.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	382256, 382261, 382262

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
php4	source	(unstable)	4:4.4.4-1	unimportant		382261
php5	source	(unstable)	5.1.6-1	unimportant		382256, 382262

Only exploitable by malicious, local user