UBUNTU-CVE-2021-43612

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Source
https://ubuntu.com/security/CVE-2021-43612
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-43612.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-43612
Upstream
Published
2023-04-15T22:15:00Z
Modified
2025-10-24T04:50:37Z
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
  • 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

In lldpd before 1.0.13, when decoding SONMP packets in the sonmp_decode function, it's possible to trigger an out-of-bounds heap read via short SONMP packets.

References

Affected packages

Ubuntu:16.04:LTS

lldpd

Package

Name
lldpd
Purl
pkg:deb/ubuntu/lldpd@0.7.19-1?arch=source&distro=xenial

Affected ranges

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

Affected versions

0.*

0.7.16-1
0.7.19-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.7.19-1",
            "binary_name": "liblldpctl-dev"
        },
        {
            "binary_version": "0.7.19-1",
            "binary_name": "lldpd"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-43612.json"

Ubuntu:18.04:LTS

lldpd

Package

Name
lldpd
Purl
pkg:deb/ubuntu/lldpd@0.9.9-1ubuntu0.1?arch=source&distro=bionic

Affected ranges

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

Affected versions

0.*

0.9.8-1
0.9.9-1
0.9.9-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.9.9-1ubuntu0.1",
            "binary_name": "liblldpctl-dev"
        },
        {
            "binary_version": "0.9.9-1ubuntu0.1",
            "binary_name": "lldpd"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-43612.json"

Ubuntu:20.04:LTS

lldpd

Package

Name
lldpd
Purl
pkg:deb/ubuntu/lldpd@1.0.4-1build2?arch=source&distro=focal

Affected ranges

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

Affected versions

1.*

1.0.4-1
1.0.4-1build1
1.0.4-1build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.0.4-1build2",
            "binary_name": "liblldpctl-dev"
        },
        {
            "binary_version": "1.0.4-1build2",
            "binary_name": "lldpd"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-43612.json"

Ubuntu:22.04:LTS

lldpd

Package

Name
lldpd
Purl
pkg:deb/ubuntu/lldpd@1.0.13-1?arch=source&distro=jammy

Affected ranges

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

Affected versions

1.*

1.0.11-1
1.0.12-1
1.0.13-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.0.13-1",
            "binary_name": "liblldpctl-dev"
        },
        {
            "binary_version": "1.0.13-1",
            "binary_name": "lldpd"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-43612.json"

Ubuntu:24.04:LTS

lldpd

Package

Name
lldpd
Purl
pkg:deb/ubuntu/lldpd@1.0.18-1build3?arch=source&distro=noble

Affected ranges

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

Affected versions

1.*

1.0.17-1
1.0.18-1
1.0.18-1build1
1.0.18-1build3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.0.18-1build3",
            "binary_name": "liblldpctl-dev"
        },
        {
            "binary_version": "1.0.18-1build3",
            "binary_name": "lldpd"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-43612.json"

Ubuntu:25.04

lldpd

Package

Name
lldpd
Purl
pkg:deb/ubuntu/lldpd@1.0.18-1build3?arch=source&distro=plucky

Affected ranges

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

Affected versions

1.*

1.0.18-1build3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.0.18-1build3",
            "binary_name": "liblldpctl-dev"
        },
        {
            "binary_version": "1.0.18-1build3",
            "binary_name": "lldpd"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-43612.json"

Ubuntu:25.10

lldpd

Package

Name
lldpd
Purl
pkg:deb/ubuntu/lldpd@1.0.18-1build4?arch=source&distro=questing

Affected ranges

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

Affected versions

1.*

1.0.18-1build3
1.0.18-1build4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.0.18-1build4",
            "binary_name": "liblldpctl-dev"
        },
        {
            "binary_version": "1.0.18-1build4",
            "binary_name": "lldpd"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-43612.json"