CVE-2014-6052
The HandleRFBServerMessage function in libvncclient/rfbproto.c in LibVNCServer 0.9.9 and earlier does not check certain malloc return values, which allows remote VNC servers to cause a denial of
02 Description
The HandleRFBServerMessage function in libvncclient/rfbproto.c in LibVNCServer 0.9.9 and earlier does not check certain malloc return values, which allows remote VNC servers to cause a denial of
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
- 6.75% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 93.8% 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
- 448397457e5d87ea735a7a6f3cb85b92e51447cb92b8b9e1b43e5f56eafc6890
05 Affected products
06 References
- www.ocert.orghttp://www.ocert.org/advisories/ocert-2014-007.html
- 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
- github.comhttps://github.com/newsoft/libvncserver/commit/85a778c0e45e87e35ee7199f1f25020648e8b812
- 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.securityfocus.com70091http://www.securityfocus.com/bid/70091
- www.debian.orgDSA-3081http://www.debian.org/security/2014/dsa-3081
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
- 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
- veyon Fixed in 4.1.4+repack1-1
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
- veyon Fixed in 4.1.4+repack1-1
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
- 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.