DEBIAN-CVE-2018-20021

See a problem?
Please try reporting it to the source first.
Source
https://security-tracker.debian.org/tracker/CVE-2018-20021
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-20021.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2018-20021
Upstream
Published
2018-12-19T16:29:00Z
Modified
2025-10-13T05:01:24Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

LibVNC before commit c3115350eb8bb635d0fdb4dbbb0d0541f38ed19c contains a CWE-835: Infinite loop vulnerability in VNC client code. Vulnerability allows attacker to consume excessive amount of resources like CPU and RAM

References

Affected packages

Debian:11

libvncserver

Package

Name
libvncserver
Purl
pkg:deb/debian/libvncserver?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.9.11+dfsg-1.2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

ssvnc

Package

Name
ssvnc
Purl
pkg:deb/debian/ssvnc?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.0.29-5

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

tightvnc

Package

Name
tightvnc
Purl
pkg:deb/debian/tightvnc?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:1.3.9-9.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

veyon

Package

Name
veyon
Purl
pkg:deb/debian/veyon?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.1.4+repack1-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12

libvncserver

Package

Name
libvncserver
Purl
pkg:deb/debian/libvncserver?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.9.11+dfsg-1.2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

ssvnc

Package

Name
ssvnc
Purl
pkg:deb/debian/ssvnc?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.0.29-5

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

tightvnc

Package

Name
tightvnc
Purl
pkg:deb/debian/tightvnc?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:1.3.9-9.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

veyon

Package

Name
veyon
Purl
pkg:deb/debian/veyon?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.1.4+repack1-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13

libvncserver

Package

Name
libvncserver
Purl
pkg:deb/debian/libvncserver?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.9.11+dfsg-1.2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

ssvnc

Package

Name
ssvnc
Purl
pkg:deb/debian/ssvnc?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.0.29-5

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

tightvnc

Package

Name
tightvnc
Purl
pkg:deb/debian/tightvnc?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:1.3.9-9.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

veyon

Package

Name
veyon
Purl
pkg:deb/debian/veyon?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.1.4+repack1-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14

libvncserver

Package

Name
libvncserver
Purl
pkg:deb/debian/libvncserver?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.9.11+dfsg-1.2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

ssvnc

Package

Name
ssvnc
Purl
pkg:deb/debian/ssvnc?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.0.29-5

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

tightvnc

Package

Name
tightvnc
Purl
pkg:deb/debian/tightvnc?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:1.3.9-9.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

veyon

Package

Name
veyon
Purl
pkg:deb/debian/veyon?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.1.4+repack1-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}