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.

Multiple "memory alignment errors" in libgadu, as used in ekg before 1.6rc2, Gaim before 1.5.0, and other packages, allows remote attackers to cause a denial of service (bus error) on certain architectures such as SPARC via an incoming message.

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.

Gaim before 1.3.1 allows remote attackers to cause a denial of service (crash) via a malformed MSN message that leads to a memory allocation of a large size, possibly due to an integer signedness error.

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.

Gaim 1.2.0 allows remote attackers to cause a denial of service (application crash) via a malformed file transfer request to a Jabber user, which leads to an out-of-bounds read.

Gaim 1.1.3 on Windows systems allows remote attackers to cause a denial of service (client crash) via a file transfer in which the filename contains "(" or ")" (parenthesis) characters.

The HTML parsing functions in Gaim before 1.1.4 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-2005-0473.

The gaim_markup_strip_html function in Gaim 1.2.0, and possibly earlier versions, allows remote attackers to cause a denial of service (application crash) via a string that contains malformed HTML, which causes an out-of-bounds read.