Buffer overflow in Yahoo! Messenger 8.1 allows user-assisted remote authenticated users, who are listed in an address book, to execute arbitrary code via unspecified vectors, aka ZD-00000005. NOTE: this information is based upon a vague advisory by a vulnerability information sales organization that does not coordinate with vendors or release actionable advisories. A CVE has been assigned for tracking purposes, but duplicates with other CVEs are difficult to determine.

Microsoft MSN Messenger 4.7 on Windows XP allows remote attackers to cause a denial of service (resource consumption) via a flood of SIP INVITE requests to the port specified for voice conversation.

AOL Instant Messenger (AIM) 6.1.32.1 on Windows XP allows remote attackers to cause a denial of service (application crash) via a malformed header value in a SIP INVITE message, a different vulnerability than CVE-2007-3350.

AOL Instant Messenger (AIM) 6.1.32.1 on Windows XP allows remote attackers to cause a denial of service (application hang) via a flood of spoofed SIP INVITE requests.

Buffer overflow in the Yahoo! Webcam Upload ActiveX control in ywcupl.dll 2.0.1.4 for Yahoo! Messenger 8.1.0.249 allows remote attackers to execute arbitrary code via a long server property value to the send method. NOTE: some of these details are obtained from third party information.

Buffer overflow in the Yahoo! Webcam Viewer ActiveX control in ywcvwr.dll 2.0.1.4 for Yahoo! Messenger 8.1.0.249 allows remote attackers to execute arbitrary code via a long server property value to the receive method.

Progress Webspeed Messenger allows remote attackers to obtain sensitive information via a WService parameter containing "wsbroker1/webutil/about.r", which reveals the operating system and product information.

Progress Webspeed Messenger allows remote attackers to read, create, modify, and execute arbitrary files by invoking webutil/_cpyfile.p in the WService parameter to (1) cgiip.exe or (2) wsisa.dll in scripts/, as demonstrated by using the save,editor options to create a new file using the fileName parameter.

aMSN (aka Alvaro's Messenger) 0.96 and earlier allows remote attackers to cause a denial of service (application crash) by sending invalid data to TCP port 31337.

Directory traversal vulnerability in AOL Instant Messenger (AIM) 5.9 and earlier, and ICQ 5.1 and probably earlier, allows user-assisted remote attackers to write files to arbitrary locations via a .. (dot dot) in a filename in a file transfer operation.