UBUNTU-CVE-2018-20546

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2018-20546
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20546.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2018-20546
Upstream
Downstream
Related
Published
2018-12-28T00:00:00Z
Modified
2025-09-08T16:45:07Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H CVSS Calculator
  • 8.1 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

There is an illegal READ memory access at caca/dither.c (function getrgbadefault) in libcaca 0.99.beta19 for the default bpp case.

References

Affected packages

Ubuntu:14.04:LTS / libcaca

Package

Name
libcaca
Purl
pkg:deb/ubuntu/libcaca@0.99.beta18-1ubuntu5.1?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.99.beta18-1ubuntu5.1

Affected versions

0.*

0.99.beta18-1ubuntu2
0.99.beta18-1ubuntu3
0.99.beta18-1ubuntu4
0.99.beta18-1ubuntu5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "caca-utils",
            "binary_version": "0.99.beta18-1ubuntu5.1"
        },
        {
            "binary_name": "libcaca-dev",
            "binary_version": "0.99.beta18-1ubuntu5.1"
        },
        {
            "binary_name": "libcaca0",
            "binary_version": "0.99.beta18-1ubuntu5.1"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:16.04:LTS / libcaca

Package

Name
libcaca
Purl
pkg:deb/ubuntu/libcaca@0.99.beta19-2ubuntu0.16.04.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.99.beta19-2ubuntu0.16.04.1

Affected versions

0.*

0.99.beta19-2build2~gcc5.1
0.99.beta19-2build2~gcc5.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "caca-utils",
            "binary_version": "0.99.beta19-2ubuntu0.16.04.1"
        },
        {
            "binary_name": "libcaca-dev",
            "binary_version": "0.99.beta19-2ubuntu0.16.04.1"
        },
        {
            "binary_name": "libcaca0",
            "binary_version": "0.99.beta19-2ubuntu0.16.04.1"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:18.04:LTS / libcaca

Package

Name
libcaca
Purl
pkg:deb/ubuntu/libcaca@0.99.beta19-2ubuntu0.18.04.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.99.beta19-2ubuntu0.18.04.1

Affected versions

0.*

0.99.beta19-2build2~gcc5.2
0.99.beta19-2build2~gcc5.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "caca-utils",
            "binary_version": "0.99.beta19-2ubuntu0.18.04.1"
        },
        {
            "binary_name": "libcaca-dev",
            "binary_version": "0.99.beta19-2ubuntu0.18.04.1"
        },
        {
            "binary_name": "libcaca0",
            "binary_version": "0.99.beta19-2ubuntu0.18.04.1"
        }
    ],
    "availability": "No subscription required"
}