Integer signedness error in the zlib extension module in Python 2.5.2 and earlier allows remote attackers to execute arbitrary code via a negative signed integer, which triggers insufficient memory allocation and a buffer overflow.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9407
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8249
https://exchange.xforce.ibmcloud.com/vulnerabilities/41748
http://www.vupen.com/english/advisories/2009/3316
http://www.vupen.com/english/advisories/2008/1229/references
http://www.vmware.com/security/advisories/VMSA-2009-0016.html
http://www.ubuntu.com/usn/usn-632-1
http://www.securityfocus.com/bid/28715
http://www.securityfocus.com/archive/1/507985/100/0/threaded
http://www.securityfocus.com/archive/1/490690/100/0/threaded
http://www.mandriva.com/security/advisories?name=MDVSA-2008:085
http://www.debian.org/security/2008/dsa-1620
http://www.debian.org/security/2008/dsa-1551
http://support.avaya.com/css/P8/documents/100074697
http://support.apple.com/kb/HT3438
http://slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.525289
http://security.gentoo.org/glsa/glsa-200807-01.xml
http://secunia.com/advisories/38675
http://secunia.com/advisories/37471
http://secunia.com/advisories/33937
http://secunia.com/advisories/31365
http://secunia.com/advisories/31358
http://secunia.com/advisories/31255
http://secunia.com/advisories/30872
http://secunia.com/advisories/29955
http://secunia.com/advisories/29889
http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html