Yahoo: >> Messenger Security Vulnerabilities
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.
CVSS Score
9.3
EPSS Score
0.382
Published
2007-06-11
Stack-based buffer overflow in the createAndJoinConference function in the AudioConf ActiveX control (yacscom.dll) in Yahoo! Messenger before 20070313 allows remote attackers to execute arbitrary code via long (1) socksHostname and (2) hostname properties.
CVSS Score
9.3
EPSS Score
0.515
Published
2007-04-06
Unspecified vulnerability in the Chat Room functionality in Yahoo! Messenger 8.1.0.239 and earlier allows remote attackers to cause a denial of service via unspecified vectors. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
CVSS Score
5.0
EPSS Score
0.005
Published
2007-02-09
Multiple cross-site scripting (XSS) vulnerabilities in the Contact Details functionality in Yahoo! Messenger 8.1.0.209 and earlier allow user-assisted remote attackers to inject arbitrary web script or HTML via a javascript: URI in the SRC attribute of an IMG element to the (1) First Name, (2) Last Name, and (3) Nickname fields. NOTE: some of these details are obtained from third party information.
CVSS Score
4.3
EPSS Score
0.007
Published
2007-02-06
Buffer overflow in the YMMAPI.YMailAttach ActiveX control (ymmapi.dll) before 2005.1.1.4 in Yahoo! Messenger allows remote attackers to execute arbitrary code via a crafted HTML document. NOTE: some details were obtained from third party information.
CVSS Score
9.3
EPSS Score
0.064
Published
2006-12-15
Unspecified vulnerability in Yahoo! Messenger (Service 18) before 8.1.0.195 allows remote attackers to cause a denial of service (NULL dereference and application crash) via a crafted room name in a Conference Invite. NOTE: the provenance of this information is unknown; the details are obtained from third party information.
CVSS Score
5.0
EPSS Score
0.012
Published
2006-10-27
Yahoo! Messenger for WAP permits saving messages that contain JavaScript, which allows user-assisted remote attackers to inject arbitrary web script or HTML via a URL at the online service.
CVSS Score
2.6
EPSS Score
0.003
Published
2006-09-25
Yahoo! Messenger 7.5.0.814 and 7.0.438 allows remote attackers to cause a denial of service (crash) via messages that contain non-ASCII characters, which triggers the crash in jscript.dll.
CVSS Score
5.0
EPSS Score
0.049
Published
2006-06-29
The Logfile feature in Yahoo! Messenger 5.x through 6.0 can be activated by a YMSGR: URL and writes all output to a single ypager.log file, even when there are multiple users, and does not properly warn later users that the feature has been enabled, which allows local users to obtain sensitive information from other users.
CVSS Score
2.1
EPSS Score
0.0
Published
2005-05-19
The YMSGR URL handler in Yahoo! Messenger 5.x through 6.0 allows remote attackers to cause a denial of service (disconnect) via a room login or a room join request packet with a third : (colon) and an & (ampersand), which causes Messenger to send a corrupted packet to the server, which triggers a disconnect from the server.
CVSS Score
5.0
EPSS Score
0.045
Published
2005-05-16