CVE catalog
CVE-2014-6054
libvncserver: CVE-2014-6054
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 5.54% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libvncserver | sid | 0.9.15+dfsg-6 | fixed |
| Debian | libvncserver | forky | 0.9.15+dfsg-6 | fixed |
| Debian | libvncserver | trixie | 0.9.15+dfsg-1+deb13u2 | fixed |
| Debian | libvncserver | bookworm | 0.9.14+dfsg-1+deb12u2 | fixed |
| Ubuntu | krfb | 14.04 | 4:4.11.2-0ubuntu1 | vulnerable |
| Ubuntu | krfb | 14.04 | 4:4.11.80-0ubuntu1 | vulnerable |
| Ubuntu | krfb | 14.04 | 4:4.11.95-0ubuntu1 | vulnerable |
| Ubuntu | krfb | 14.04 | 4:4.11.97-0ubuntu1 | vulnerable |
| Ubuntu | krfb | 14.04 | 4:4.12.0-0ubuntu1 | vulnerable |
| Ubuntu | krfb | 14.04 | 4:4.12.1-0ubuntu1 | vulnerable |
| Ubuntu | krfb | 14.04 | 4:4.12.2-0ubuntu1 | vulnerable |
| Ubuntu | krfb | 14.04 | 4:4.12.3-0ubuntu1 | vulnerable |
| Ubuntu | krfb | 14.04 | 4:4.12.90-0ubuntu1 | vulnerable |
| Ubuntu | krfb | 14.04 | 4:4.12.95-0ubuntu1 | vulnerable |
| Ubuntu | krfb | 14.04 | 4:4.12.97-0ubuntu1 | vulnerable |
| Ubuntu | krfb | 14.04 | 4:4.13.0-0ubuntu1 | vulnerable |
| Ubuntu | krfb | 14.04 | 4:4.13.0-0ubuntu1.1 | vulnerable |
| Ubuntu | krfb | 14.04 | 4:4.13.3-0ubuntu1 | vulnerable |
| Ubuntu | krfb | 14.04 | 4:4.13.3-0ubuntu1.1 | fixed |
| Ubuntu | libvncserver | 14.04 | 0.9.9+dfsg-1 | vulnerable |
| Ubuntu | libvncserver | 14.04 | 0.9.9+dfsg-1ubuntu1 | vulnerable |
| Ubuntu | libvncserver | 14.04 | 0.9.9+dfsg-1ubuntu1.1 | fixed |
| Ubuntu | italc | 16.04 | 1:2.0.2+dfsg1-3 | vulnerable |
| Ubuntu | italc | 16.04 | 1:2.0.2+dfsg1-4 | vulnerable |
| Ubuntu | italc | 16.04 | 1:2.0.2+dfsg1-4ubuntu0.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libvncserver | source | sid | 0.9.9+dfsg-6.1 | not yet assigned | Not reported | [762745] |
| Debian | libvncserver | source | forky | 0.9.9+dfsg-6.1 | not yet assigned | Not reported | [762745] |
| Debian | libvncserver | source | trixie | 0.9.9+dfsg-6.1 | not yet assigned | Not reported | [762745] |
| Debian | libvncserver | source | bookworm | 0.9.9+dfsg-6.1 | not yet assigned | Not reported | [762745] |
| Ubuntu | krfb | deb | 14.04 | 4:4.13.3-0ubuntu1.1 | Not reported | UBUNTU-CVE-2014-6054 | Not reported |
| Ubuntu | libvncserver | deb | 14.04 | 0.9.9+dfsg-1ubuntu1.1 | Not reported | UBUNTU-CVE-2014-6054 | Not reported |
| Ubuntu | italc | deb | 16.04 | 1:2.0.2+dfsg1-4ubuntu0.1 | Not reported | UBUNTU-CVE-2014-6054 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libvncclient1]Fixed
Source package: [libvncserver]
Details (2)
0.9.14+dfsg-1+deb12u2· amd64 · bookwormFixed · Fixed:
0.9.9+dfsg-6.1dsa · libvncserver · debian · bookworm; dsa · libvncserver · debian · 12
0.9.14+dfsg-1+deb12u2· arm64 · bookwormFixed · Fixed:
0.9.9+dfsg-6.1dsa · libvncserver · debian · bookworm; dsa · libvncserver · debian · 12
- [libvncserver1]Fixed
Source package: [libvncserver]
Details (2)
0.9.14+dfsg-1+deb12u2· amd64 · bookwormFixed · Fixed:
0.9.9+dfsg-6.1dsa · libvncserver · debian · bookworm; dsa · libvncserver · debian · 12
0.9.14+dfsg-1+deb12u2· arm64 · bookwormFixed · Fixed:
0.9.9+dfsg-6.1dsa · libvncserver · debian · bookworm; dsa · libvncserver · debian · 12
- [libvncserver-dev]Fixed
Source package: [libvncserver]
Details (2)
0.9.14+dfsg-1+deb12u2· amd64 · bookwormFixed · Fixed:
0.9.9+dfsg-6.1dsa · libvncserver · debian · bookworm; dsa · libvncserver · debian · 12
0.9.14+dfsg-1+deb12u2· arm64 · bookwormFixed · Fixed:
0.9.9+dfsg-6.1dsa · libvncserver · debian · bookworm; dsa · libvncserver · debian · 12
[Debian 13 (Trixie)]
- [libvncclient1]Fixed
Source package: [libvncserver]
Details (2)
0.9.15+dfsg-1+deb13u2· amd64 · trixieFixed · Fixed:
0.9.9+dfsg-6.1dsa · libvncserver · debian · 13
0.9.15+dfsg-1+deb13u2· arm64 · trixieFixed · Fixed:
0.9.9+dfsg-6.1dsa · libvncserver · debian · 13
- [libvncserver1]Fixed
Source package: [libvncserver]
Details (2)
0.9.15+dfsg-1+deb13u2· amd64 · trixieFixed · Fixed:
0.9.9+dfsg-6.1dsa · libvncserver · debian · 13
0.9.15+dfsg-1+deb13u2· arm64 · trixieFixed · Fixed:
0.9.9+dfsg-6.1dsa · libvncserver · debian · 13
- [libvncserver-dev]Fixed
Source package: [libvncserver]
Details (2)
0.9.15+dfsg-1+deb13u2· amd64 · trixieFixed · Fixed:
0.9.9+dfsg-6.1dsa · libvncserver · debian · 13
0.9.15+dfsg-1+deb13u2· arm64 · trixieFixed · Fixed:
0.9.9+dfsg-6.1dsa · libvncserver · debian · 13
Observed:
References
- [https://access.redhat.com/errata/RHSA-2014:1827]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2014_1826.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2014-6054]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2014-6054]
- [https://security-tracker.debian.org/tracker/CVE-2014-6054]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]