The olm_session_describe function in Matrix libolm before 3.2.7 is vulnerable to a buffer overflow. The Olm session object represents a cryptographic channel between two parties. Therefore, its state is partially controllable by the remote party of the channel. Attackers can construct a crafted sequence of messages to manipulate the state of the receiver's session in such a way that, for some buffer sizes, a buffer overflow happens on a call to olm_session_describe. Furthermore, safe buffer sizes were undocumented. The overflow content is partially controllable by the attacker and limited to ASCII spaces and digits. The known affected products are Element Web And SchildiChat Web.

Michael-design iChat Realtime PHP Live Support System 1.6 has persistent Cross-site Scripting via chat,text-filed tags.

SQL injection vulnerability in the get_messages function in server/plugins/chatroom/chatroom.php in FreiChat 9.6 allows remote attackers to execute arbitrary SQL commands via the time parameter to server/freichat.php.

Multiple cross-site scripting (XSS) vulnerabilities in the Freichat (com_freichat) component, possibly 9.4 and earlier, for Joomla! allow remote attackers to inject arbitrary web script or HTML via the (1) id or (2) xhash parameter to client/chat.php or (3) toname parameter to client/plugins/upload/upload.php.

Apple iChat Server does not verify that a request was made for an XMPP Server Dialback response, which allows remote XMPP servers to spoof domains via responses for domains that were not asserted.

Cross-site scripting (XSS) vulnerability in the (1) FreiChat component before 2.1.2 for Joomla! and the (2) FreiChatPure component before 1.2.2 for Joomla! allows remote attackers to inject arbitrary web script or HTML by entering it in an unspecified window.

The Java interface to CoreAudio on Apple Mac OS X 10.3.9 and 10.4.10 does not properly check the bounds of heap read and write operations, which allows remote attackers to execute arbitrary code via a crafted applet.

Buffer overflow in the UPnP IGD (Internet Gateway Device Standardized Device Control Protocol) implementation in iChat on Apple Mac OS X 10.3.9 and 10.4.10 allows network-adjacent remote attackers to execute arbitrary code via a crafted packet.

The Java interface to CoreAudio on Apple Mac OS X 10.3.9 and 10.4.10 does not restrict object instantiation and manipulation to valid heap addresses, which allows remote attackers to execute arbitrary code via a crafted applet.

The Bonjour functionality in iChat in Apple Mac OS X 10.3.9 allows remote attackers to cause a denial of service (persistent application crash) via unspecified vectors, possibly related to CVE-2007-0614.