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TI-2014-05000 Aliases CVE-2014-6054GHSA-246j-93ww-rg57

The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer…

Priority LOW 28CWE-189Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-189 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.0554 92nd percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:libvncserver:libvncserver:*:*:*:*:*:*:*:*up to 0.9.9VulnerableLibvncserver
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*7.0VulnerableDebian
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
  • cpe:2.3:a:libvncserver:libvncserver:*:*:*:*:*:*:*:* Versions up to 0.9.9 Vulnerable ·Libvncserver
  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical

Remediation

Red Hat 2 advisories

  • RHSA-2014:1827 Released 2014-11-11 · Red Hat rating Moderate
    kdenetwork security update
    • Red Hat Enterprise Linux Client (v. 7) kdenetwork-7:4.10.5-8.el7_0, kdenetwork-common-7:4.10.5-8.el7_0, kdenetwork-kdnssd-7:4.10.5-8.el7_0 +6
    • Red Hat Enterprise Linux Client Optional (v. 7) kdenetwork-7:4.10.5-8.el7_0, kdenetwork-devel-7:4.10.5-8.el7_0, kdenetwork-fileshare-samba-7:4.10.5-8.el7_0 +4
    • Red Hat Enterprise Linux Server (v. 7) kdenetwork-7:4.10.5-8.el7_0, kdenetwork-common-7:4.10.5-8.el7_0, kdenetwork-devel-7:4.10.5-8.el7_0 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kdenetwork-7:4.10.5-8.el7_0, kdenetwork-fileshare-samba-7:4.10.5-8.el7_0
    • Red Hat Enterprise Linux Workstation (v. 7) kdenetwork-7:4.10.5-8.el7_0, kdenetwork-common-7:4.10.5-8.el7_0, kdenetwork-devel-7:4.10.5-8.el7_0 +11
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kdenetwork-7:4.10.5-8.el7_0, kdenetwork-fileshare-samba-7:4.10.5-8.el7_0
  • RHSA-2014:1826 Released 2014-11-11 · Red Hat rating Moderate
    libvncserver security update
    • Red Hat Enterprise Linux Client (v. 7) libvncserver-0.9.9-9.el7_0.1
    • Red Hat Enterprise Linux Client Optional (v. 7) libvncserver-devel-0.9.9-9.el7_0.1
    • Red Hat Enterprise Linux Desktop (v. 6) libvncserver-0.9.7-7.el6_6.1
    • Red Hat Enterprise Linux Desktop Optional (v. 6) libvncserver-0.9.7-7.el6_6.1, libvncserver-devel-0.9.7-7.el6_6.1
    • Red Hat Enterprise Linux Server (v. 6) libvncserver-0.9.7-7.el6_6.1
    • Red Hat Enterprise Linux Server (v. 7) libvncserver-0.9.9-9.el7_0.1
    • Red Hat Enterprise Linux Server Optional (v. 6) libvncserver-0.9.7-7.el6_6.1, libvncserver-0.9.7-7.el6_6.1.ppc, libvncserver-devel-0.9.7-7.el6_6.1 +1
    • Red Hat Enterprise Linux Server Optional (v. 7) libvncserver-devel-0.9.9-9.el7_0.1
    • Red Hat Enterprise Linux Workstation (v. 6) libvncserver-0.9.7-7.el6_6.1
    • Red Hat Enterprise Linux Workstation (v. 7) libvncserver-0.9.9-9.el7_0.1
    • Red Hat Enterprise Linux Workstation Optional (v. 6) libvncserver-0.9.7-7.el6_6.1, libvncserver-devel-0.9.7-7.el6_6.1
    • Red Hat Enterprise Linux Workstation Optional (v. 7) libvncserver-devel-0.9.9-9.el7_0.1

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2014:1826, RHSA-2014:1827
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2014:1826, RHSA-2014:1827
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2014:1826
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2014:1826
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2014:1826
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2014:1826, RHSA-2014:1827
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2014:1826
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2014:1826, RHSA-2014:1827
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2014:1826
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2014:1826, RHSA-2014:1827
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2014:1826
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2014:1826, RHSA-2014:1827
Not affected: 2 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2014-6054
  2. 2026-10-03 Alias added: GHSA-246j-93ww-rg57

References

Patch 1

Advisory 8

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences