CVE-2019-15679
TightVNC code version 1.3.10 contains heap buffer overflow in InitialiseRFBConnection function,...
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 connectivity.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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 connectivity.
- Record
CVE-2019-15679- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-122, CWE-787
- Updated
- 2026-11-02
CVE List No score
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 connectivity.
- Record
CVE-2019-15679- Weakness
- CWE-122
- Updated
- 2026-11-02
EUVDEUVD-2019-6618 No score
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 connectivity.
- Record
EUVD-2019-6618- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w238-gwcm-c55r No score
TightVNC code version 1.3.10 contains heap buffer overflow in InitialiseRFBConnection function,...
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 connectivity.
- Record
GHSA-w238-gwcm-c55r- Weakness
- CWE-787
- Updated
- 2026-11-02
OSV
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 connectivity.
- Record
CVE-2019-15679- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-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 connectivity.
- Record
DEBIAN-CVE-2019-15679- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-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 connectivity.
- Record
UBUNTU-CVE-2019-15679- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVSUSE-SU-2019:14235-1 No score
Security update for tightvnc
This update for tightvnc fixes the following issues:
- CVE-2019-15679: Fixed a heap buffer overflow in InitialiseRFBConnection which might lead to code execution (bsc#1155476).
- CVE-2019-8287: Fixed a global buffer overflow in HandleCoRREBBPmay which might lead to code execution (bsc#1155472).
- CVE-2019-15680: Fixed a null pointer dereference in HandleZlibBPP which could have led to denial of service (bsc#1155452).
- CVE-2019-15678: Fixed a heap buffer overflow in rfbServerCutText handler (bsc#1155442).
- Record
SUSE-SU-2019:14235-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
tightvncDebian:12 |
before 1:1.3.9-9.1 | 1:1.3.9-9.1 |
tightvncDebian:13 |
before 1:1.3.9-9.1 | 1:1.3.9-9.1 |
tightvncDebian:14 |
before 1:1.3.9-9.1 | 1:1.3.9-9.1 |
tightvncDebian:8 From an advisory covering 9 CVEs |
before 1.3.9-6.5+deb8u1, plus listed versions 1.3.9-6.5 |
1.3.9-6.5+deb8u1 |
tightvncSUSE:Linux Enterprise Point of Sale 11 SP3 From an advisory covering 4 CVEs |
before 1.3.9-81.15.3.1 | 1.3.9-81.15.3.1 |
tightvncSUSE:Linux Enterprise Server 11 SP4-LTSS From an advisory covering 4 CVEs |
before 1.3.9-81.15.3.1 | 1.3.9-81.15.3.1 |
tightvncUbuntu:Pro:14.04:LTS |
before 1.3.9-6.5+deb8u1build0.14.04.1~esm1, plus listed versions 1.3.9-6.41.3.9-6.4ubuntu1 |
1.3.9-6.5+deb8u1build0.14.04.1~esm1 |
x11vncUbuntu:14.04:LTS |
All versions, plus listed versions 0.9.13-1.1 |
None known |
ssvncUbuntu:16.04:LTS |
All versions, plus listed versions 1.0.29-2build11.0.29-2+deb8u1build0.16.04.1 |
None known |
tightvncUbuntu:16.04:LTS |
All versions, plus listed versions 1.3.10-0ubuntu21.3.10-0ubuntu3 |
None known |
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| Package | Affected | Fixed |
|---|---|---|
vncsnapshotUbuntu:16.04:LTS |
All versions, plus listed versions 1.2a-5.1 |
None known |
x2vncUbuntu:16.04:LTS |
All versions, plus listed versions 1.7.2-5 |
None known |
ssvncUbuntu:18.04:LTS |
All versions, plus listed versions 1.0.29-31.0.29-3build1 |
None known |
tightvncUbuntu:18.04:LTS |
All versions, plus listed versions 1.3.10-0ubuntu31.3.10-0ubuntu4 |
None known |
vncsnapshotUbuntu:18.04:LTS |
All versions, plus listed versions 1.2a-5.11.2a-5.1build1 |
None known |
x2vncUbuntu:18.04:LTS |
All versions, plus listed versions 1.7.2-6 |
None known |
ssvncUbuntu:20.04:LTS |
All versions, plus listed versions 1.0.29-4build11.0.29-5 |
None known |
tightvncUbuntu:20.04:LTS |
All versions, plus listed versions 1.3.10-0ubuntu5 |
None known |
veyonUbuntu:20.04:LTS |
All versions, plus listed versions 4.2.4+repack1-24.2.5+repack1-14.3.1+repack1-14.3.1+repack1-24.3.1+repack1-2build14.3.1+repack1-2build2 |
None known |
vncsnapshotUbuntu:20.04:LTS |
All versions, plus listed versions 1.2a-5.1build11.2a-5.1build2 |
None known |
x2vncUbuntu:20.04:LTS |
All versions, plus listed versions 1.7.2-6 |
None known |
ssvncUbuntu:22.04:LTS |
All versions, plus listed versions 1.0.29-51.0.29-5build11.0.29-6 |
None known |
tightvncUbuntu:22.04:LTS |
All versions, plus listed versions 1:1.3.10-31:1.3.10-5 |
None known |
veyonUbuntu:22.04:LTS |
All versions, plus listed versions 4.5.3+repack1-1build14.5.3+repack1-1build2 |
None known |
vncsnapshotUbuntu:22.04:LTS |
All versions, plus listed versions 1.2a-5.1build2 |
None known |
x2vncUbuntu:22.04:LTS |
All versions, plus listed versions 1.7.2-6 |
None known |
ssvncUbuntu:24.04:LTS |
All versions, plus listed versions 1.0.29-61.0.29-6ubuntu11.0.29-6ubuntu21.0.29-6ubuntu3 |
None known |
tightvncUbuntu:24.04:LTS |
All versions, plus listed versions 1:1.3.10-71:1.3.10-7build11:1.3.10-7build21:1.3.10-8 |
None known |
veyonUbuntu:24.04:LTS |
All versions, plus listed versions 4.7.5+repack1-1build24.7.5+repack1-1ubuntu14.7.5+repack1-1ubuntu34.7.5+repack1-1ubuntu44.7.5+repack1-1ubuntu5 |
None known |
vncsnapshotUbuntu:24.04:LTS |
All versions, plus listed versions 1.2a-5.2 |
None known |
x2vncUbuntu:24.04:LTS |
All versions, plus listed versions 1.7.2-61.7.2-6build1 |
None known |
ssvncUbuntu:25.10 |
All versions, plus listed versions 1.0.29-6.11.0.29-7 |
None known |
tightvncUbuntu:25.10 |
All versions, plus listed versions 1:1.3.10-91:1.3.10-10 |
None known |
veyonUbuntu:25.10 |
All versions, plus listed versions 4.7.5+repack1-1ubuntu64.7.5+repack1-1ubuntu74.9.7+repack1-1 |
None known |
vncsnapshotUbuntu:25.10 |
All versions, plus listed versions 1.2a-61.2a-7 |
None known |
x2vncUbuntu:25.10 |
All versions, plus listed versions 1.7.2+git20100909.01ced3d-11.7.2+git20100909.01ced3d-2 |
None known |
ssvncUbuntu:26.10 |
All versions, plus listed versions 1.0.29-7build11.0.29-7build2 |
None known |
tightvncUbuntu:26.10 |
All versions, plus listed versions 1:1.3.10-10build11:1.3.10-11 |
None known |
veyonUbuntu:26.10 |
All versions, plus listed versions 4.9.7+repack1-1build14.9.7+repack1-1.14.9.7+repack1-1.1build14.9.7+repack1-1.1build2 |
None known |
vncsnapshotUbuntu:26.10 |
All versions, plus listed versions 1.2a-7build1 |
None known |
x2vncUbuntu:26.10 |
All versions, plus listed versions 1.7.2+git20100909.01ced3d-2build1 |
None known |
ssvncUbuntu:26.04:LTS |
All versions, plus listed versions 1.0.29-71.0.29-7build1 |
None known |
tightvncUbuntu:26.04:LTS |
All versions, plus listed versions 1:1.3.10-101:1.3.10-10build1 |
None known |
veyonUbuntu:26.04:LTS |
All versions, plus listed versions 4.9.7+repack1-14.9.7+repack1-1build1 |
None known |
vncsnapshotUbuntu:26.04:LTS |
All versions, plus listed versions 1.2a-71.2a-7build1 |
None known |
x2vncUbuntu:26.04:LTS |
All versions, plus listed versions 1.7.2+git20100909.01ced3d-21.7.2+git20100909.01ced3d-2build1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-15679 is a critical vulnerability (CVSS 9.8) in Kaspersky Tightvnc, published October 29, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 11.8%, the 96th percentile. Fixed in tightvnc 1:1.3.9-9.1.
References
openwall.com/lists/oss-security/2018/12/10/5
lists.debian.org/debian-lts-announce/2019/12/msg00028.html
cert-portal.siemens.com/productcert/pdf/ssa-478893.pdf
us-cert.cisa.gov/ics/advisories/icsa-20-343-08
nvd.nist.gov/vuln/detail/CVE-2019-15679
github.com/advisories/GHSA-w238-gwcm-c55r
Show 12 moreShow less
security-tracker.debian.org/tracker/CVE-2019-15679
suse.com/support/update/announcement/2019/suse-su-201914235-1
bugzilla.suse.com/1155442
ubuntu.com/security/CVE-2019-15679
cve.org/CVERecord?id=CVE-2019-15679