AOL Instant Messenger 5.5.x and earlier allows remote attackers to cause a denial of service (client crash) via an invalid smiley icon location in the sml parameter of a font tag.

AOL Instant Messenger (AIM) 4.7 allows remote attackers to cause a denial of service (application crash) via a long filename, possibly caused by a buffer overflow.

The Buddy icon file for AOL Instant Messenger (AIM) 4.3 through 5.5 is created in a predictable location, which may allow remote attackers to use a shell: URI to exploit other vulnerabilities that involve predictable locations.

Cross-site scripting vulnerability AOL Instant Messenger (AIM) 4.5 and 4.7 for MacOS and Windows allows remote attackers to conduct unauthorized activities, such as adding buddies and groups to a user's buddy list, via a URL with a META HTTP-EQUIV="refresh" tag to an aim: URL.

Directory traversal vulnerability in AOL Instant Messenger (AIM) 4.8.2790 allows remote attackers to execute arbitrary programs by specifying the program in the href attribute of a link.

Heap-based buffer overflow in the goim handler of AOL Instant Messenger (AIM) 4.4 through 4.8.2616 allows remote attackers to cause a denial of service (crash) via escaping of the screen name parameter, which triggers the overflow when the user selects "Get Info" on the buddy.

AOL Instant Messenger (AIM) allows remote attackers to cause a denial of service (crash) via an "AddBuddy" link with the ScreenName parameter set to a large number of comma-separated values, possibly triggering a buffer overflow.

AOL Instant Messenger (AIM) allows remote attackers to steal files that are being transferred to other clients by connecting to port 4443 (Direct Connection) or port 5190 (file transfer) before the intended user.

Directory traversal vulnerability in AOL Instant Messenger (AIM) 4.8 beta and earlier allows remote attackers to create arbitrary files and execute commands via a Direct Connection with an IMG tag with a SRC attribute that specifies the target filename.

AOL Instant Messenger (AIM) 4.7.2480 adds free.aol.com to the Trusted Sites Zone in Internet Explorer without user approval, which could allow code from free.aol.com to bypass intended access restrictions.