CVE-2014-6053
The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier does not properly handle attempts to send a large amount of ClientCutText data, which allows
02 Description
The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier does not properly handle attempts to send a large amount of ClientCutText data, which allows
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
- 7.25% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 94.2% 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
- 2014-12-15 17:27Z11 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
- 6a0248add758665930f84dd003a5c2849977392af1e874bbc51fc667d64a141c
05 Affected products
06 References
- www.ocert.orghttp://www.ocert.org/advisories/ocert-2014-007.html
- github.comhttps://github.com/newsoft/libvncserver/commit/6037a9074d52b1963c97cb28ea1096c7c14cbf28
- secunia.com61682http://secunia.com/advisories/61682
- lists.opensuse.orgopenSUSE-SU-2015:2207http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html
- 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
- ubuntu.comUSN-2365-1http://ubuntu.com/usn/usn-2365-1
- security.gentoo.orgGLSA-201507-07https://security.gentoo.org/glsa/201507-07
- 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
- lists.debian.org[debian-lts-announce] 20191129 [SECURITY] [DLA 2014-1] vino security updatehttps://lists.debian.org/debian-lts-announce/2019/11/msg00032.html
- lists.debian.org[debian-lts-announce] 20191221 [SECURITY] [DLA 2045-1] tightvnc security updatehttps://lists.debian.org/debian-lts-announce/2019/12/msg00028.html
- usn.ubuntu.comUSN-4573-1https://usn.ubuntu.com/4573-1/
- usn.ubuntu.comUSN-4587-1https://usn.ubuntu.com/4587-1/
07 Fixed in
Debian 12
- libvncserver Fixed in 0.9.9+dfsg-6.1
- tightvnc Fixed in 1:1.3.9-9.1
- vino Fixed in 3.22.0-6
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
- tightvnc Fixed in 1:1.3.9-9.1
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
- tightvnc Fixed in 1:1.3.9-9.1
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
- tightvnc No fix yet
- vino Fixed in 3.8.1-0ubuntu9.3
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- tightvnc No fix yet
- vino Fixed in 3.22.0-3ubuntu1.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- tightvnc No fix yet
- vino Fixed in 3.22.0-5ubuntu2.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- tightvnc No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 24.04 LTS
- tightvnc No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 25.10
- tightvnc No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.04 LTS
- tightvnc No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.10
- tightvnc No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- tightvnc Fixed in 1.3.9-6.5+deb8u1build0.14.04.1~esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
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.