UBUNTU-CVE-2021-21417

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Source
https://ubuntu.com/security/CVE-2021-21417
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-21417.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-21417
Upstream
Published
2021-04-29T17:15:00Z
Modified
2025-09-08T16:46:57Z
Severity
  • 7.2 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N CVSS Calculator
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

fluidsynth is a software synthesizer based on the SoundFont 2 specifications. A use after free violation was discovered in fluidsynth, that can be triggered when loading an invalid SoundFont file.

References

Affected packages

Ubuntu:Pro:14.04:LTS / fluidsynth

Package

Name
fluidsynth
Purl
pkg:deb/ubuntu/fluidsynth@1.1.6-2?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.1.6-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.1.6-2",
            "binary_name": "fluidsynth"
        },
        {
            "binary_version": "1.1.6-2",
            "binary_name": "libfluidsynth-dev"
        },
        {
            "binary_version": "1.1.6-2",
            "binary_name": "libfluidsynth1"
        }
    ]
}

Ubuntu:Pro:16.04:LTS / fluidsynth

Package

Name
fluidsynth
Purl
pkg:deb/ubuntu/fluidsynth@1.1.6-3?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.1.6-2build1
1.1.6-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.1.6-3",
            "binary_name": "fluidsynth"
        },
        {
            "binary_version": "1.1.6-3",
            "binary_name": "libfluidsynth-dev"
        },
        {
            "binary_version": "1.1.6-3",
            "binary_name": "libfluidsynth1"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / fluidsynth

Package

Name
fluidsynth
Purl
pkg:deb/ubuntu/fluidsynth@1.1.9-1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.1.6-4
1.1.8-1
1.1.8-2
1.1.8-3
1.1.9-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.1.9-1",
            "binary_name": "fluidsynth"
        },
        {
            "binary_version": "1.1.9-1",
            "binary_name": "libfluidsynth-dev"
        },
        {
            "binary_version": "1.1.9-1",
            "binary_name": "libfluidsynth1"
        }
    ]
}

Ubuntu:Pro:20.04:LTS / fluidsynth

Package

Name
fluidsynth
Purl
pkg:deb/ubuntu/fluidsynth@2.1.1-2?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.1.11-4
1.1.11-4ubuntu1

2.*

2.1.0-1
2.1.1-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.1.1-2",
            "binary_name": "fluidsynth"
        },
        {
            "binary_version": "2.1.1-2",
            "binary_name": "libfluidsynth-dev"
        },
        {
            "binary_version": "2.1.1-2",
            "binary_name": "libfluidsynth2"
        }
    ]
}

Ubuntu:22.04:LTS / fluidsynth

Package

Name
fluidsynth
Purl
pkg:deb/ubuntu/fluidsynth@2.2.5-1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.1.7-1.1
2.2.4-2
2.2.5-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.2.5-1",
            "binary_name": "fluidsynth"
        },
        {
            "binary_version": "2.2.5-1",
            "binary_name": "libfluidsynth-dev"
        },
        {
            "binary_version": "2.2.5-1",
            "binary_name": "libfluidsynth3"
        }
    ]
}