There is a remotely exploitable buffer overflow in ICQ v2001A and below. Attackers that are able to exploit the vulnerability can execute arbitrary code with the privileges of the victim user. There are 122 million vulnerable clients. Full details are discussed in VU#570167. An exploit is known to exist. Voice Video & Games plugin installed with AOL Mirabilis ICQ Versions 2001B Beta v5.18 Build #3659 and prior is also vulnerable.
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