Format string vulnerability in the embedded Internet Explorer component for Mirabilis ICQ 6 build 6043 allows remote servers to execute arbitrary code or cause a denial of service (crash) via unspecified vectors related to HTML code generation.

Heap-based buffer overflow in the boxelyRenderer module in the Personal Status Manager feature in ICQ 6.0 build 6043 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted personal status message.