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Vulnerability record · CVE-2014-6054 · published 6 October 2014

CVE-2014-6054: Libvncserver vulnerability

LLibvncserver · Libvncserver

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.

4.3 CVSS 2.0 Medium EPSS 5.5% · top 7.4% CWE-189 · CWE-189
4.3CVSS 2.0 base score
5.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
26References
17 Jun 2026Last modified by NVD

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.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

Track CVE-2014-6054 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2014-6054), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.