ALPINE-CVE-2019-20840

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Source
https://security.alpinelinux.org/vuln/CVE-2019-20840
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20840.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2019-20840
Upstream
Published
2020-06-17T16:15:11Z
Modified
2026-11-03T06:31:56Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/ws_decode.c can lead to a crash because of unaligned accesses in hybiReadAndDecode.

References

Affected packages

Alpine:v3.12
libvncserver

Package

Name
libvncserver
Purl
pkg:apk/alpine/libvncserver?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.9.13-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20840.json"
Alpine:v3.13
libvncserver

Package

Name
libvncserver
Purl
pkg:apk/alpine/libvncserver?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.9.13-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20840.json"
Alpine:v3.14
libvncserver

Package

Name
libvncserver
Purl
pkg:apk/alpine/libvncserver?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.9.13-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20840.json"
Alpine:v3.15
libvncserver

Package

Name
libvncserver
Purl
pkg:apk/alpine/libvncserver?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.9.13-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20840.json"
Alpine:v3.16
libvncserver

Package

Name
libvncserver
Purl
pkg:apk/alpine/libvncserver?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.9.13-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20840.json"
Alpine:v3.17
libvncserver

Package

Name
libvncserver
Purl
pkg:apk/alpine/libvncserver?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.9.13-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20840.json"
Alpine:v3.18
libvncserver

Package

Name
libvncserver
Purl
pkg:apk/alpine/libvncserver?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.9.13-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20840.json"
Alpine:v3.19
libvncserver

Package

Name
libvncserver
Purl
pkg:apk/alpine/libvncserver?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.9.13-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20840.json"
Alpine:v3.20
libvncserver

Package

Name
libvncserver
Purl
pkg:apk/alpine/libvncserver?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.9.13-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20840.json"
Alpine:v3.21
libvncserver

Package

Name
libvncserver
Purl
pkg:apk/alpine/libvncserver?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.9.13-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20840.json"
Alpine:v3.22
libvncserver

Package

Name
libvncserver
Purl
pkg:apk/alpine/libvncserver?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.9.13-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20840.json"
Alpine:v3.23
libvncserver

Package

Name
libvncserver
Purl
pkg:apk/alpine/libvncserver?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.9.13-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20840.json"
Alpine:v3.24
libvncserver

Package

Name
libvncserver
Purl
pkg:apk/alpine/libvncserver?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.9.13-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20840.json"