UBUNTU-CVE-2020-27638

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Source
https://ubuntu.com/security/CVE-2020-27638
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27638.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-27638
Upstream
Downstream
Related
Published
2020-10-22T13:15:00Z
Modified
2025-09-08T16:46:26Z
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 - medium
Summary
[none]
Details

receive.c in fastd before v21 allows denial of service (assertion failure) when receiving packets with an invalid type code.

References

Affected packages

Ubuntu:16.04:LTS / fastd

Package

Name
fastd
Purl
pkg:deb/ubuntu/fastd@17-4ubuntu0.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
17-4ubuntu0.1

Affected versions

Other

17-4
17-4build1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "fastd",
            "binary_version": "17-4ubuntu0.1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27638.json"

Ubuntu:18.04:LTS / fastd

Package

Name
fastd
Purl
pkg:deb/ubuntu/fastd@18-3ubuntu0.18.04.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
18-3ubuntu0.18.04.1

Affected versions

Other

18-2
18-2ubuntu1
18-2ubuntu2
18-3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "fastd",
            "binary_version": "18-3ubuntu0.18.04.1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27638.json"

Ubuntu:20.04:LTS / fastd

Package

Name
fastd
Purl
pkg:deb/ubuntu/fastd@18-3ubuntu0.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
18-3ubuntu0.1

Affected versions

Other

18-3build1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "fastd",
            "binary_version": "18-3ubuntu0.1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27638.json"