Double free vulnerability in PHP before 4.4.7, and 5.x before 5.2.2, allows context-dependent attackers to execute arbitrary code by interrupting the session_regenerate_id function, as demonstrated by calling a userspace error handler or triggering a memory limit violation.
http://docs.info.apple.com/article.html?artnum=306172
http://lists.apple.com/archives/security-announce//2007/Jul/msg00004.html
http://secunia.com/advisories/24505
http://secunia.com/advisories/25025
http://secunia.com/advisories/25056
http://secunia.com/advisories/25057
http://secunia.com/advisories/25062
http://secunia.com/advisories/25445
http://secunia.com/advisories/26235
http://security.gentoo.org/glsa/glsa-200705-19.xml
http://us2.php.net/releases/4_4_7.php
http://us2.php.net/releases/5_2_2.php
http://www.debian.org/security/2007/dsa-1282
http://www.debian.org/security/2007/dsa-1283
http://www.novell.com/linux/security/advisories/2007_32_php.html
http://www.php-security.org/MOPB/MOPB-22-2007.html
http://www.securityfocus.com/bid/22968
http://www.securityfocus.com/bid/25159
http://www.ubuntu.com/usn/usn-455-1
Source: MITRE
Published: 2007-03-20
Updated: 2011-03-08
Type: NVD-CWE-Other
Base Score: 6.8
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 8.6
Severity: MEDIUM