ICQ 7 does not verify the authenticity of updates, which allows man-in-the-middle attackers to execute arbitrary code via a crafted file that is fetched through an automatic-update mechanism.
Stack-based buffer overflow in the URL Search Hook (ICQToolBar.dll) in ICQ 6.5 allows remote attackers to cause a denial of service (persistent crash) and possibly execute arbitrary code via an Internet shortcut .URL fil…
ICQwebmail client for ICQ 2000A creates a world readable temporary file during login and does not delete it, which allows local users to obtain sensitive information.