CVE-2014-6054
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)
02 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)
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 5.54% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 92.6% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2014-10-06 14:00Z12 YR AGO
- Last updated
- 2024-08-06 12:03Z2 YR AGO
- Reserved
- 2014-09-01
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- bb6efcbf79ff284ac476bbab3dbdf262b532a32ad060ad0f97e0c326d402ac3f
05 Affected products
06 References
- www.ocert.orghttp://www.ocert.org/advisories/ocert-2014-007.html
- www.securityfocus.com70094http://www.securityfocus.com/bid/70094
- secunia.com61682http://secunia.com/advisories/61682
- lists.opensuse.orgopenSUSE-SU-2015:2207http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html
- github.comhttps://github.com/newsoft/libvncserver/commit/05a9bd41a8ec0a9d580a8f420f41718bdd235446
- secunia.com61506http://secunia.com/advisories/61506
- www.openwall.com[oss-security] 20140925 [oCERT-2014-007] libvncserver multiple issueshttp://www.openwall.com/lists/oss-security/2014/09/25/11
- seclists.org[oss-security] 20140923 Multiple issues in libVNCserverhttp://seclists.org/oss-sec/2014/q3/639
- security.gentoo.orgGLSA-201507-07https://security.gentoo.org/glsa/201507-07
- www.ubuntu.comUSN-2365-1http://www.ubuntu.com/usn/USN-2365-1
- www.debian.orgDSA-3081http://www.debian.org/security/2014/dsa-3081
- lists.debian.org[debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security updatehttps://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
- usn.ubuntu.comUSN-4587-1https://usn.ubuntu.com/4587-1/
07 Fixed in
Debian 12
- libvncserver Fixed in 0.9.9+dfsg-6.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- libvncserver Fixed in 0.9.9+dfsg-6.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- libvncserver Fixed in 0.9.9+dfsg-6.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- krfb Fixed in 4:4.13.3-0ubuntu1.1
- libvncserver Fixed in 0.9.9+dfsg-1ubuntu1.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- italc Fixed in 1:2.0.2+dfsg1-4ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.