Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2014-6054

21
FAUCET Score

CVE-2014-6054 is a denial-of-service vulnerability affecting LibVNCServer versions 0.9.9 and earlier, including various Canonical and Debian Linux distributions. Remote attackers can exploit this by sending a crafted PalmVNCSetScaleFactor or SetScale message with a zero scaling factor, leading to a divide-by-zero error and server crash. This vulnerability has a CVSS score of 4.3 (medium severity) due to its network-based attack vector and medium attack complexity, resulting in partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.9.9CPE matchmatch criteria
cpe:2.3:a:libvncserver:libvncserver:*:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.54%
Probability of exploitation in next 30 days
EPSS Percentile
92.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0554 is in the 90th percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libvncserver-0:0.9.7-7.el6_6.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libvncserver-0:0.9.9-9.el7_0.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kdenetwork-7:4.10.5-8.el7_0
View patch

Vendor Advisories (1)

redhatCVE-2014-6054Moderate

libvncserver: server divide-by-zero flaw in scaling factor handling

Sep 23, 2014

References

lists.opensuse.org / opensuse-updates/2015-12/msg00022.html
seclists.org / oss-sec/2014/q3/639
Mailing ListThird Party Advisory
secunia.com / advisories/61506
secunia.com / advisories/61682
github.com / newsoft/libvncserver/commit/05a9bd41a8ec0a9d580a8f420f41718bdd235446
Issue TrackingPatch
lists.debian.org / debian-lts-announce/2019/10/msg00042.html
security.gentoo.org / glsa/201507-07
usn.ubuntu.com / 4587-1
debian.org / security/2014/dsa-3081
Third Party Advisory
ocert.org / advisories/ocert-2014-007.html
Third Party AdvisoryUS Government Resource
openwall.com / lists/oss-security/2014/09/25/11
Mailing ListThird Party Advisory
securityfocus.com / bid/70094
ubuntu.com / usn/USN-2365-1
Third Party Advisory