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CVE-2014-6054

Publication date 24 September 2014

Last updated 24 July 2024


Ubuntu priority

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.

Status

Package Ubuntu Release Status
italc 20.04 LTS focal Not in release
18.04 LTS bionic
Not affected
16.04 LTS xenial
Fixed 1:2.0.2+dfsg1-4ubuntu0.1
14.04 LTS trusty Not in release
krfb 14.04 LTS trusty
Fixed 4:4.13.3-0ubuntu1.1
12.04 LTS precise Not in release
10.04 LTS lucid Not in release
libvncserver 14.04 LTS trusty
Fixed 0.9.9+dfsg-1ubuntu1.1
12.04 LTS precise
Fixed 0.9.8.2-2ubuntu1.1
10.04 LTS lucid Ignored end of life

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
krfb
libvncserver

References

Related Ubuntu Security Notices (USN)

    • USN-2365-1
    • LibVNCServer vulnerabilities
    • 29 September 2014
    • USN-4587-1
    • iTALC vulnerabilities
    • 20 October 2020

Other references