The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier allows remote attackers to cause a denial of service (divide-by-zero error and server crash) via a zero value in the scaling factor in a (1) PalmVNCSetScaleFactor or (2) SetScale 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 | 10 | 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 |