Double free vulnerability in nsVCard.cpp in Mozilla Thunderbird before 1.5.0.4 and SeaMonkey before 1.0.2 allows remote attackers to cause a denial of service (hang) and possibly execute arbitrary code via a VCard that contains invalid base64 characters.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10247
https://exchange.xforce.ibmcloud.com/vulnerabilities/26850
http://www.vupen.com/english/advisories/2006/3749
http://www.vupen.com/english/advisories/2006/2106
http://www.securityfocus.com/bid/18228
http://www.securityfocus.com/archive/1/446657/100/200/threaded
http://www.securityfocus.com/archive/1/435795/100/0/threaded
http://www.redhat.com/support/errata/RHSA-2006-0611.html
http://www.redhat.com/support/errata/RHSA-2006-0594.html
http://www.redhat.com/support/errata/RHSA-2006-0578.html
http://www.novell.com/linux/security/advisories/2006_35_mozilla.html
http://www.mozilla.org/security/announce/2006/mfsa2006-40.html
http://www.mandriva.com/security/advisories?name=MDKSA-2006:146
http://www.gentoo.org/security/en/glsa/glsa-200606-21.xml
http://www.debian.org/security/2006/dsa-1134
http://www.debian.org/security/2006/dsa-1118
http://securitytracker.com/id?1016214
http://secunia.com/advisories/22065
http://secunia.com/advisories/21631
http://secunia.com/advisories/21607
http://secunia.com/advisories/21336
http://secunia.com/advisories/21324
http://secunia.com/advisories/21269
http://secunia.com/advisories/21210
http://secunia.com/advisories/21183
http://secunia.com/advisories/21178
http://secunia.com/advisories/21134
http://secunia.com/advisories/20709
http://secunia.com/advisories/20394