USN-4593-1

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Source
https://ubuntu.com/security/notices/USN-4593-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4593-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4593-1
Upstream
Related
Published
2020-10-20T12:02:17.901831Z
Modified
2025-07-16T08:33:02.587Z
Summary
freetype vulnerability
Details

Sergei Glazunov discovered that FreeType did not correctly handle certain malformed font files. If a user were tricked into using a specially crafted font file, a remote attacker could cause FreeType to crash or possibly execute arbitrary code with user privileges.

References

Affected packages

Ubuntu:16.04:LTS / freetype

Package

Name
freetype
Purl
pkg:deb/ubuntu/freetype@2.6.1-0.1ubuntu2.5?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.6.1-0.1ubuntu2.5

Affected versions

2.*

2.5.2-4ubuntu2
2.6.1-0.1ubuntu1
2.6.1-0.1ubuntu2
2.6.1-0.1ubuntu2.1
2.6.1-0.1ubuntu2.2
2.6.1-0.1ubuntu2.3
2.6.1-0.1ubuntu2.4

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "freetype2-demos",
            "binary_version": "2.6.1-0.1ubuntu2.5"
        },
        {
            "binary_name": "freetype2-demos-dbgsym",
            "binary_version": "2.6.1-0.1ubuntu2.5"
        },
        {
            "binary_name": "libfreetype6",
            "binary_version": "2.6.1-0.1ubuntu2.5"
        },
        {
            "binary_name": "libfreetype6-dbgsym",
            "binary_version": "2.6.1-0.1ubuntu2.5"
        },
        {
            "binary_name": "libfreetype6-dev",
            "binary_version": "2.6.1-0.1ubuntu2.5"
        },
        {
            "binary_name": "libfreetype6-udeb",
            "binary_version": "2.6.1-0.1ubuntu2.5"
        },
        {
            "binary_name": "libfreetype6-udeb-dbgsym",
            "binary_version": "2.6.1-0.1ubuntu2.5"
        }
    ]
}

Ubuntu:18.04:LTS / freetype

Package

Name
freetype
Purl
pkg:deb/ubuntu/freetype@2.8.1-2ubuntu2.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.8.1-2ubuntu2.1

Affected versions

2.*

2.8-0.2ubuntu2
2.8.1-0.1ubuntu2
2.8.1-0.1ubuntu3
2.8.1-2ubuntu1
2.8.1-2ubuntu2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "freetype2-demos",
            "binary_version": "2.8.1-2ubuntu2.1"
        },
        {
            "binary_name": "freetype2-demos-dbgsym",
            "binary_version": "2.8.1-2ubuntu2.1"
        },
        {
            "binary_name": "libfreetype6",
            "binary_version": "2.8.1-2ubuntu2.1"
        },
        {
            "binary_name": "libfreetype6-dbgsym",
            "binary_version": "2.8.1-2ubuntu2.1"
        },
        {
            "binary_name": "libfreetype6-dev",
            "binary_version": "2.8.1-2ubuntu2.1"
        },
        {
            "binary_name": "libfreetype6-udeb",
            "binary_version": "2.8.1-2ubuntu2.1"
        }
    ]
}

Ubuntu:20.04:LTS / freetype

Package

Name
freetype
Purl
pkg:deb/ubuntu/freetype@2.10.1-2ubuntu0.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.10.1-2ubuntu0.1

Affected versions

2.*

2.9.1-4
2.10.1-2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "freetype2-demos",
            "binary_version": "2.10.1-2ubuntu0.1"
        },
        {
            "binary_name": "freetype2-demos-dbgsym",
            "binary_version": "2.10.1-2ubuntu0.1"
        },
        {
            "binary_name": "freetype2-doc",
            "binary_version": "2.10.1-2ubuntu0.1"
        },
        {
            "binary_name": "libfreetype-dev",
            "binary_version": "2.10.1-2ubuntu0.1"
        },
        {
            "binary_name": "libfreetype6",
            "binary_version": "2.10.1-2ubuntu0.1"
        },
        {
            "binary_name": "libfreetype6-dbgsym",
            "binary_version": "2.10.1-2ubuntu0.1"
        },
        {
            "binary_name": "libfreetype6-dev",
            "binary_version": "2.10.1-2ubuntu0.1"
        },
        {
            "binary_name": "libfreetype6-udeb",
            "binary_version": "2.10.1-2ubuntu0.1"
        }
    ]
}