USN-4921-1

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Source
https://ubuntu.com/security/notices/USN-4921-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4921-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4921-1
Upstream
Related
Published
2021-04-20T15:41:45.110722Z
Modified
2025-07-16T08:54:55.330526Z
Summary
libcaca vulnerability
Details

It was discovered that libcaca incorrectly handled certain images. An attacker could possibly use this issue to execute arbitrary code.

References

Affected packages

Ubuntu:Pro:14.04:LTS / libcaca

Package

Name
libcaca
Purl
pkg:deb/ubuntu/libcaca@0.99.beta18-1ubuntu5.1+esm1?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.99.beta18-1ubuntu5.1+esm1

Affected versions

0.*

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

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "caca-utils",
            "binary_version": "0.99.beta18-1ubuntu5.1+esm1"
        },
        {
            "binary_name": "caca-utils-dbgsym",
            "binary_version": "0.99.beta18-1ubuntu5.1+esm1"
        },
        {
            "binary_name": "libcaca-dev",
            "binary_version": "0.99.beta18-1ubuntu5.1+esm1"
        },
        {
            "binary_name": "libcaca0",
            "binary_version": "0.99.beta18-1ubuntu5.1+esm1"
        },
        {
            "binary_name": "libcaca0-dbgsym",
            "binary_version": "0.99.beta18-1ubuntu5.1+esm1"
        }
    ]
}

Ubuntu:16.04:LTS / libcaca

Package

Name
libcaca
Purl
pkg:deb/ubuntu/libcaca@0.99.beta19-2ubuntu0.16.04.2?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.99.beta19-2ubuntu0.16.04.2

Affected versions

0.*

0.99.beta19-2build2~gcc5.1
0.99.beta19-2build2~gcc5.2
0.99.beta19-2ubuntu0.16.04.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "caca-utils",
            "binary_version": "0.99.beta19-2ubuntu0.16.04.2"
        },
        {
            "binary_name": "caca-utils-dbgsym",
            "binary_version": "0.99.beta19-2ubuntu0.16.04.2"
        },
        {
            "binary_name": "libcaca-dev",
            "binary_version": "0.99.beta19-2ubuntu0.16.04.2"
        },
        {
            "binary_name": "libcaca0",
            "binary_version": "0.99.beta19-2ubuntu0.16.04.2"
        },
        {
            "binary_name": "libcaca0-dbgsym",
            "binary_version": "0.99.beta19-2ubuntu0.16.04.2"
        }
    ]
}

Ubuntu:18.04:LTS / libcaca

Package

Name
libcaca
Purl
pkg:deb/ubuntu/libcaca@0.99.beta19-2ubuntu0.18.04.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.99.beta19-2ubuntu0.18.04.2

Affected versions

0.*

0.99.beta19-2build2~gcc5.2
0.99.beta19-2build2~gcc5.3
0.99.beta19-2ubuntu0.18.04.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "caca-utils",
            "binary_version": "0.99.beta19-2ubuntu0.18.04.2"
        },
        {
            "binary_name": "caca-utils-dbgsym",
            "binary_version": "0.99.beta19-2ubuntu0.18.04.2"
        },
        {
            "binary_name": "libcaca-dev",
            "binary_version": "0.99.beta19-2ubuntu0.18.04.2"
        },
        {
            "binary_name": "libcaca0",
            "binary_version": "0.99.beta19-2ubuntu0.18.04.2"
        },
        {
            "binary_name": "libcaca0-dbgsym",
            "binary_version": "0.99.beta19-2ubuntu0.18.04.2"
        }
    ]
}

Ubuntu:20.04:LTS / libcaca

Package

Name
libcaca
Purl
pkg:deb/ubuntu/libcaca@0.99.beta19-2.1ubuntu1.20.04.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.99.beta19-2.1ubuntu1.20.04.1

Affected versions

0.*

0.99.beta19-2.1
0.99.beta19-2.1ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "caca-utils",
            "binary_version": "0.99.beta19-2.1ubuntu1.20.04.1"
        },
        {
            "binary_name": "caca-utils-dbgsym",
            "binary_version": "0.99.beta19-2.1ubuntu1.20.04.1"
        },
        {
            "binary_name": "libcaca-dev",
            "binary_version": "0.99.beta19-2.1ubuntu1.20.04.1"
        },
        {
            "binary_name": "libcaca0",
            "binary_version": "0.99.beta19-2.1ubuntu1.20.04.1"
        },
        {
            "binary_name": "libcaca0-dbgsym",
            "binary_version": "0.99.beta19-2.1ubuntu1.20.04.1"
        }
    ]
}