UBUNTU-CVE-2021-27737

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Source

https://ubuntu.com/security/CVE-2021-27737

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-27737.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-27737

Upstream

CVE-2021-27737

Published

2021-05-14T21:15:00Z

Modified

2025-10-24T04:50:12Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Ubuntu - low

Summary

[none]

Details

Apache Traffic Server 9.0.0 is vulnerable to a remote DOS attack on the experimental Slicer plugin.

References

Affected packages

Ubuntu:16.04:LTS

trafficserver

Package

Name: trafficserver
Purl: pkg:deb/ubuntu/trafficserver@5.3.0-2ubuntu2?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.3.0-2ubuntu1

5.3.0-2ubuntu2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "5.3.0-2ubuntu2",
            "binary_name": "trafficserver"
        },
        {
            "binary_version": "5.3.0-2ubuntu2",
            "binary_name": "trafficserver-dev"
        },
        {
            "binary_version": "5.3.0-2ubuntu2",
            "binary_name": "trafficserver-experimental-plugins"
        }
    ]
}

Ubuntu:18.04:LTS

trafficserver

Package

Name: trafficserver
Purl: pkg:deb/ubuntu/trafficserver@7.1.2+ds-3?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

7.*

7.0.0-5

7.1.2+ds-2

7.1.2+ds-2build1

7.1.2+ds-3

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "7.1.2+ds-3",
            "binary_name": "trafficserver"
        },
        {
            "binary_version": "7.1.2+ds-3",
            "binary_name": "trafficserver-dev"
        },
        {
            "binary_version": "7.1.2+ds-3",
            "binary_name": "trafficserver-experimental-plugins"
        }
    ]
}

Ubuntu:24.04:LTS

trafficserver

Package

Name: trafficserver
Purl: pkg:deb/ubuntu/trafficserver@9.2.3+ds-1+deb12u1build4?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

9.*

9.2.1+ds-1build1

9.2.2+ds-1

9.2.3+ds-1

9.2.3+ds-1+deb12u1

9.2.3+ds-1+deb12u1build1

9.2.3+ds-1+deb12u1build3

9.2.3+ds-1+deb12u1build4

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "9.2.3+ds-1+deb12u1build4",
            "binary_name": "trafficserver"
        },
        {
            "binary_version": "9.2.3+ds-1+deb12u1build4",
            "binary_name": "trafficserver-dev"
        },
        {
            "binary_version": "9.2.3+ds-1+deb12u1build4",
            "binary_name": "trafficserver-experimental-plugins"
        }
    ]
}

Ubuntu:25.04

trafficserver

Package

Name: trafficserver
Purl: pkg:deb/ubuntu/trafficserver@9.2.5+ds-1ubuntu1?arch=source&distro=plucky

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

9.*

9.2.4+ds-2

9.2.5+ds-1

9.2.5+ds-1ubuntu1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "9.2.5+ds-1ubuntu1",
            "binary_name": "trafficserver"
        },
        {
            "binary_version": "9.2.5+ds-1ubuntu1",
            "binary_name": "trafficserver-dev"
        },
        {
            "binary_version": "9.2.5+ds-1ubuntu1",
            "binary_name": "trafficserver-experimental-plugins"
        }
    ]
}

Ubuntu:25.10

trafficserver

Package

Name: trafficserver
Purl: pkg:deb/ubuntu/trafficserver@9.2.5+ds-1ubuntu2?arch=source&distro=questing

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

9.*

9.2.5+ds-1ubuntu1

9.2.5+ds-1ubuntu2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "9.2.5+ds-1ubuntu2",
            "binary_name": "trafficserver"
        },
        {
            "binary_version": "9.2.5+ds-1ubuntu2",
            "binary_name": "trafficserver-dev"
        },
        {
            "binary_version": "9.2.5+ds-1ubuntu2",
            "binary_name": "trafficserver-experimental-plugins"
        }
    ]
}

Ubuntu:Pro:20.04:LTS

trafficserver

Package

Name: trafficserver
Purl: pkg:deb/ubuntu/trafficserver@8.0.5+ds-3ubuntu0.1~esm1?arch=source&distro=esm-apps/focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

8.*

8.0.5+ds-1

8.0.5+ds-2

8.0.5+ds-2build1

8.0.5+ds-2ubuntu1

8.0.5+ds-3

8.0.5+ds-3ubuntu0.1~esm1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "8.0.5+ds-3ubuntu0.1~esm1",
            "binary_name": "trafficserver"
        },
        {
            "binary_version": "8.0.5+ds-3ubuntu0.1~esm1",
            "binary_name": "trafficserver-dev"
        },
        {
            "binary_version": "8.0.5+ds-3ubuntu0.1~esm1",
            "binary_name": "trafficserver-experimental-plugins"
        }
    ]
}

Ubuntu:Pro:22.04:LTS

trafficserver

Package

Name: trafficserver
Purl: pkg:deb/ubuntu/trafficserver@9.1.1+ds-2ubuntu0.1~esm1?arch=source&distro=esm-apps/jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

8.*

8.1.1+ds-1.1

9.*

9.1.1+ds-2build1

9.1.1+ds-2ubuntu0.1~esm1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "9.1.1+ds-2ubuntu0.1~esm1",
            "binary_name": "trafficserver"
        },
        {
            "binary_version": "9.1.1+ds-2ubuntu0.1~esm1",
            "binary_name": "trafficserver-dev"
        },
        {
            "binary_version": "9.1.1+ds-2ubuntu0.1~esm1",
            "binary_name": "trafficserver-experimental-plugins"
        }
    ]
}