Mirabilis Icq 2001a

Heap-based buffer overflow in the MCRegEx__Search function in AOL ICQ Pro 2003b Build 3916 and earlier allows remote attackers to execute arbitrary code via an inconsistent length field of a Message in a 0x2711 Type-Length-Value (TLV) type.

Buffer overflow in ICQ before 2001B Beta v5.18 Build #3659 allows remote attackers to execute arbitrary code via a Voice Video & Games request.

Integer signedness errors in the POP3 client for Mirabilis ICQ Pro 2003a allow remote attackers to execute arbitrary code via the (1) Subject or (2) Date headers.

Format string vulnerability in POP3 client for Mirabilis ICQ Pro 2003a allows remote malicious servers to execute arbitrary code via format strings in the response to a UIDL command.

The "ICQ Features on Demand" functionality for Mirabilis ICQ Pro 2003a does not properly verify the authenticity of software upgrades, which allows remote attackers to install arbitrary software via a spoofing attack.

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.

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.

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 2001a Alpha and earlier allows remote attackers to automatically add arbitrary UINs to an ICQ user's contact list via a URL to a web page with a Content-Type of application/x-icq, which is processed by Internet Explorer.