The AIM/ICQ module in Gaim before 1.5.0 allows remote attackers to cause a denial of service (application crash) via a filename that contains invalid UTF-8 characters.

Gaim before 1.3.1 allows remote attackers to cause a denial of service (application crash) via a Yahoo! message with non-ASCII characters in a file name.

Stack-based buffer overflow in the URL parsing function in Gaim before 1.3.0 allows remote attackers to execute arbitrary code via an instant message (IM) with a large URL.

Gaim 1.2.1 and earlier allows remote attackers to cause a denial of service (application crash) via a malformed MSN message.

The HTML parsing functions in Gaim before 1.1.3 allow remote attackers to cause a denial of service (application crash) via malformed HTML that causes "an invalid memory access," a different vulnerability than CVE-2005-0208.

Gaim before 1.1.3 allows remote attackers to cause a denial of service (infinite loop) via malformed SNAC packets from (1) AIM or (2) ICQ.

Buffer overflow in the MSN protocol handler for gaim 0.79 to 1.0.1 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via an "unexpected sequence of MSNSLP messages" that results in an unbounded copy operation that writes to the wrong buffer.