UBUNTU-CVE-2021-38425

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Source
https://ubuntu.com/security/CVE-2021-38425
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-38425.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-38425
Upstream
Downstream
Related
Published
2022-05-05T17:15:00Z
Modified
2025-09-08T16:47:18Z
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
  • 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

eProsima Fast DDS versions prior to 2.4.0 (#2269) are susceptible to exploitation when an attacker sends a specially crafted packet to flood a target device with unwanted traffic, which may result in a denial-of-service condition and information exposure.

References

Affected packages

Ubuntu:Pro:16.04:LTS / dds

Package

Name
dds
Purl
pkg:deb/ubuntu/dds@2.5.2+ddd105-1?arch=source&distro=esm-apps/xenial

Affected ranges

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

Affected versions

2.*

2.5.2+ddd105-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.5.2+ddd105-1",
            "binary_name": "dds"
        },
        {
            "binary_version": "2.5.2+ddd105-1",
            "binary_name": "libdds-dev"
        },
        {
            "binary_version": "2.5.2+ddd105-1",
            "binary_name": "python-pydds"
        }
    ]
}

Ubuntu:22.04:LTS / fastdds

Package

Name
fastdds
Purl
pkg:deb/ubuntu/fastdds@2.5.0+ds-3?arch=source&distro=jammy

Affected ranges

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

Affected versions

2.*

2.1.0+ds-9
2.4.1+ds-1
2.5.0+ds-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.5.0+ds-3",
            "binary_name": "fastdds-tools"
        },
        {
            "binary_version": "2.5.0+ds-3",
            "binary_name": "libfastrtps-dev"
        },
        {
            "binary_version": "2.5.0+ds-3",
            "binary_name": "libfastrtps2.5"
        }
    ]
}

Ubuntu:Pro:22.04:LTS / fastdds

Package

Name
fastdds
Purl
pkg:deb/ubuntu/fastdds@2.5.0+ds-3ubuntu0.1~esm1?arch=source&distro=esm-apps/jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.5.0+ds-3ubuntu0.1~esm1

Affected versions

2.*

2.1.0+ds-9
2.4.1+ds-1
2.5.0+ds-3

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "2.5.0+ds-3ubuntu0.1~esm1",
            "binary_name": "fastdds-tools"
        },
        {
            "binary_version": "2.5.0+ds-3ubuntu0.1~esm1",
            "binary_name": "libfastrtps-dev"
        },
        {
            "binary_version": "2.5.0+ds-3ubuntu0.1~esm1",
            "binary_name": "libfastrtps2.5"
        }
    ]
}