DEBIAN-CVE-2020-21048

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Source
https://security-tracker.debian.org/tracker/CVE-2020-21048
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-21048.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2020-21048
Upstream
Published
2021-09-14T16:15:08.403Z
Modified
2025-11-19T02:04:28.220144Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

An issue in the dither.c component of libsixel prior to v1.8.4 allows attackers to cause a denial of service (DOS) via a crafted PNG file.

References

Affected packages

Debian:11 / libsixel

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.8.6-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-21048.json"

Debian:12 / libsixel

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.8.6-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-21048.json"

Debian:13 / libsixel

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.8.6-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-21048.json"

Debian:14 / libsixel

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.8.6-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-21048.json"