Mirabilis ICQ WebFront Plug-in ICQ2000b Build 3278 allows a remote attacker to create a denial of service via HTTP URL requests containing a large number of % characters.
ICQ 2001a and 2002b allows remote attackers to cause a denial of service (memory consumption and hang) via a contact message with a large contacts number.
ICQ 2001b Build 3659 allows remote attackers to cause a denial of service (crash) via a malformed picture that contains large height and width values, which causes the crash when viewed in Userdetails.
ICQ Web Front HTTPd allows remote attackers to cause a denial of service by requesting a URL that contains a "?" character.
icqateimg32.dll parsing/rendering library in Mirabilis ICQ Pro 2003a allows remote attackers to cause a denial of service via malformed GIF89a headers that do not contain a GCT (Global Color Table) or an LCT (Local Color Table) after an Image Descriptor.
AOL ICQ 2002a Build 3722 allows remote attackers to cause a denial of service (crash) via a malformed .hpf file.
The Message Session window in Mirabilis ICQ Pro 2003a allows remote attackers to cause a denial of service (CPU consumption) by spoofing the address of an ADS server and sending HTML with a -1 width in a table tag.