DEBIAN-CVE-2018-20022

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Source
https://security-tracker.debian.org/tracker/CVE-2018-20022
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2018-20022.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2018-20022
Upstream
Published
2018-12-19T16:29:00Z
Modified
2025-09-20T18:04:44Z
Summary
[none]
Details

LibVNC before 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838 contains multiple weaknesses CWE-665: Improper Initialization vulnerability in VNC client code that allows attacker to read stack memory and can be abuse for information disclosure. Combined with another vulnerability, it can be used to leak stack memory layout and in bypassing ASLR

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"
}

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"
}