ALPINE-CVE-2021-26937

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Source
https://security.alpinelinux.org/vuln/CVE-2021-26937
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26937.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2021-26937
Upstream
Published
2021-02-09T20:15:14.910Z
Modified
2026-06-15T18:18:08.686607871Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write access and application crash) or possibly have unspecified other impact via a crafted UTF-8 character sequence.

References

Affected packages

Alpine:v3.10
screen

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.6.2-r2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26937.json"
Alpine:v3.11
screen

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.7.0-r2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26937.json"
Alpine:v3.12
screen

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.8.0-r1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26937.json"
Alpine:v3.13
screen

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.8.0-r4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26937.json"
Alpine:v3.14
screen

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.8.0-r4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26937.json"
Alpine:v3.15
screen

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.8.0-r4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26937.json"
Alpine:v3.16
screen

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.8.0-r4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26937.json"
Alpine:v3.17
screen

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.8.0-r4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26937.json"
Alpine:v3.18
screen

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.8.0-r4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26937.json"
Alpine:v3.19
screen

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.8.0-r4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26937.json"
Alpine:v3.20
screen

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.8.0-r4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26937.json"
Alpine:v3.21
screen

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.8.0-r4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26937.json"
Alpine:v3.22
screen

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.8.0-r4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26937.json"
Alpine:v3.23
screen

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.8.0-r4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26937.json"
Alpine:v3.24
screen

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.8.0-r4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26937.json"