Buffer overflow in Yahoo! Messenger 5.0 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long (1) message or (2) IMvironment field.
Yahoo! Messenger 4.0 sends user passwords in cleartext, which could allow remote attackers to gain privileges of other users via sniffing.
Yahoo! Messenger 5,0,0,1064 and earlier allows remote attackers to execute arbitrary script as other users via the addview parameter of a ymsgr URI.
Buffer overflow in Yahoo! Messenger allows remote attackers to execute arbitrary code via the offline mode.
Buffer overflow in Yahoo Instant Messenger 5.6.0.1351 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long filename in the download feature.