CVE-2019-15679
TightVNC code version 1.3.10 contains heap buffer overflow in InitialiseRFBConnection function, which can potentially result code execution. This attack appear to be exploitable via network
02 Description
TightVNC code version 1.3.10 contains heap buffer overflow in InitialiseRFBConnection function, which can potentially result code execution. This attack appear to be exploitable via network
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
- 11.84% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 95.7% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
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
- 2019-10-29 16:45Z7 YR AGO
- Last updated
- 2024-08-05 00:56Z2 YR AGO
- Reserved
- 2019-08-27
- Assigning CNA
- Kaspersky
- 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
- b8cc187204ef70b17cbba34298c1a82e5b52593020e9f09b0b35008749e22bcb
05 Affected products
06 References
- www.openwall.com[oss-security] 20181210 libvnc and tightvnc vulnerabilitieshttps://www.openwall.com/lists/oss-security/2018/12/10/5
- lists.debian.org[debian-lts-announce] 20191221 [SECURITY] [DLA 2045-1] tightvnc security updatehttps://lists.debian.org/debian-lts-announce/2019/12/msg00028.html
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-478893.pdf
- us-cert.cisa.govhttps://us-cert.cisa.gov/ics/advisories/icsa-20-343-08
07 Fixed in
Debian 12
- 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 13
- 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
- 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
- x11vnc No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- ssvnc No fix yet
- tightvnc No fix yet
- vncsnapshot No fix yet
- x2vnc No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- ssvnc No fix yet
- tightvnc No fix yet
- vncsnapshot No fix yet
- x2vnc No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- ssvnc No fix yet
- tightvnc No fix yet
- veyon No fix yet
- vncsnapshot No fix yet
- x2vnc No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- ssvnc No fix yet
- tightvnc No fix yet
- veyon No fix yet
- vncsnapshot No fix yet
- x2vnc 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
- ssvnc No fix yet
- tightvnc No fix yet
- veyon No fix yet
- vncsnapshot No fix yet
- x2vnc 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
- ssvnc No fix yet
- tightvnc No fix yet
- veyon No fix yet
- vncsnapshot No fix yet
- x2vnc 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
- ssvnc No fix yet
- tightvnc No fix yet
- veyon No fix yet
- vncsnapshot No fix yet
- x2vnc 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
- ssvnc No fix yet
- tightvnc No fix yet
- veyon No fix yet
- vncsnapshot No fix yet
- x2vnc 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.