7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.011 Low
EPSS
Percentile
84.6%
The HandleRFBServerMessage function in libvncclient/rfbproto.c in LibVNCServer 0.9.9 and earlier does not check certain malloc return values, which allows remote VNC servers to cause a denial of service (application crash) or possibly execute arbitrary code by specifying a large screen size in a (1) FramebufferUpdate, (2) ResizeFrameBuffer, or (3) PalmVNCReSizeFrameBuffer message.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | libvncserver | < 0.9.9+dfsg-6.1 | libvncserver_0.9.9+dfsg-6.1_all.deb |
Debian | 11 | all | libvncserver | < 0.9.9+dfsg-6.1 | libvncserver_0.9.9+dfsg-6.1_all.deb |
Debian | 999 | all | libvncserver | < 0.9.9+dfsg-6.1 | libvncserver_0.9.9+dfsg-6.1_all.deb |
Debian | 13 | all | libvncserver | < 0.9.9+dfsg-6.1 | libvncserver_0.9.9+dfsg-6.1_all.deb |
Debian | 12 | all | veyon | < 4.1.4+repack1-1 | veyon_4.1.4+repack1-1_all.deb |
Debian | 11 | all | veyon | < 4.1.4+repack1-1 | veyon_4.1.4+repack1-1_all.deb |
Debian | 999 | all | veyon | < 4.1.4+repack1-1 | veyon_4.1.4+repack1-1_all.deb |
Debian | 13 | all | veyon | < 4.1.4+repack1-1 | veyon_4.1.4+repack1-1_all.deb |