CVE-2019-15678
TightVNC code version 1.3.10 contains heap buffer overflow in rfbServerCutText handler, which can potentially result code execution.. This attack appear to be exploitable via network connectivity.
02 Description
TightVNC code version 1.3.10 contains heap buffer overflow in rfbServerCutText handler, which can potentially result code execution.. This attack appear to be exploitable via network connectivity.
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
- 12.80% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 96.1% 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 16:44Z7 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
- a9e7df161ea9a37f8adeaf9fc79199ee47afae7b2bafa8db057dda9e91cac70d
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
- bochs No fix yet
- directvnc No fix yet
- 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
- bochs No fix yet
- directvnc No fix yet
- 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
- bochs No fix yet
- directvnc No fix yet
- 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
- bochs No fix yet
- directvnc No fix yet
- 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
- bochs No fix yet
- directvnc No fix yet
- 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
- bochs No fix yet
- 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
- bochs No fix yet
- 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
- bochs No fix yet
- 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.