DEBIAN-CVE-2020-21547

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Source
https://security-tracker.debian.org/tracker/CVE-2020-21547
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2020-21547.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2020-21547
Upstream
Published
2021-09-17T21:15:07.313Z
Modified
2025-11-14T04:01:22.409149Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

Libsixel 1.8.2 contains a heap-based buffer overflow in the ditherfuncfs function in tosixel.c.

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/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2020-21547.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/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2020-21547.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/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2020-21547.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/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2020-21547.json"