Asymmetric denial of service In libvncserver
Description
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.
Mitigation
Update Impact
Minimal update. May introduce new vulnerabilities or breaking changes.
Ecosystem | Package | Affected version | Patched versions |
|---|---|---|---|
 debian 14 | 0.9.9+dfsg-6.1 | ||
debian 11 | 0.9.9+dfsg-6.1 | ||
debian 13 | 0.9.9+dfsg-6.1 | ||
debian 12 | 0.9.9+dfsg-6.1 | ||
 rpm rhel7 | 0:0.9.9-9.el7_0.1 | ||
rpm rhel7 | 7:4.10.5-8.el7_0 | ||
rpm rhel6 | 0:0.9.7-7.el6_6.1 |
Aliases
1. 2. 3. 4. 5.