UBUNTU-CVE-2023-51847

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Source
https://ubuntu.com/security/CVE-2023-51847
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-51847.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2023-51847
Upstream
Published
2024-06-06T22:15:00Z
Modified
2025-09-08T16:56:38Z
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

An issue in obgm and Libcoap v.a3ed466 allows a remote attacker to cause a denial of service via thecoapcontextt function in the src/coap_threadsafe.c:297:3 component.

References

Affected packages

Ubuntu:Pro:18.04:LTS / libcoap

Package

Name
libcoap
Purl
pkg:deb/ubuntu/libcoap@4.1.2-1?arch=source&distro=esm-apps/bionic

Affected ranges

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

Affected versions

4.*

4.1.2-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libcoap-1-0",
            "binary_version": "4.1.2-1"
        },
        {
            "binary_name": "libcoap-1-0-bin",
            "binary_version": "4.1.2-1"
        },
        {
            "binary_name": "libcoap-1-0-dev",
            "binary_version": "4.1.2-1"
        }
    ]
}

Ubuntu:Pro:20.04:LTS / libcoap2

Package

Name
libcoap2
Purl
pkg:deb/ubuntu/libcoap2@4.2.1-1?arch=source&distro=esm-apps/focal

Affected ranges

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

Affected versions

4.*

4.2.0-2
4.2.1-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libcoap2",
            "binary_version": "4.2.1-1"
        },
        {
            "binary_name": "libcoap2-bin",
            "binary_version": "4.2.1-1"
        },
        {
            "binary_name": "libcoap2-dev",
            "binary_version": "4.2.1-1"
        }
    ]
}

Ubuntu:22.04:LTS / libcoap2

Package

Name
libcoap2
Purl
pkg:deb/ubuntu/libcoap2@4.2.1-1build1?arch=source&distro=jammy

Affected ranges

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

Affected versions

4.*

4.2.1-1
4.2.1-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libcoap2",
            "binary_version": "4.2.1-1build1"
        },
        {
            "binary_name": "libcoap2-bin",
            "binary_version": "4.2.1-1build1"
        },
        {
            "binary_name": "libcoap2-dev",
            "binary_version": "4.2.1-1build1"
        }
    ]
}

Ubuntu:22.04:LTS / libcoap3

Package

Name
libcoap3
Purl
pkg:deb/ubuntu/libcoap3@4.3.0-2build1?arch=source&distro=jammy

Affected ranges

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

Affected versions

4.*

4.3.0-2
4.3.0-2build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libcoap3",
            "binary_version": "4.3.0-2build1"
        },
        {
            "binary_name": "libcoap3-bin",
            "binary_version": "4.3.0-2build1"
        },
        {
            "binary_name": "libcoap3-dev",
            "binary_version": "4.3.0-2build1"
        }
    ]
}

Ubuntu:24.04:LTS / libcoap3

Package

Name
libcoap3
Purl
pkg:deb/ubuntu/libcoap3@4.3.4-1.1build4?arch=source&distro=noble

Affected ranges

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

Affected versions

4.*

4.3.1-2
4.3.3-1
4.3.4-1
4.3.4-1.1build2
4.3.4-1.1build3
4.3.4-1.1build4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libcoap3-bin",
            "binary_version": "4.3.4-1.1build4"
        },
        {
            "binary_name": "libcoap3-dev",
            "binary_version": "4.3.4-1.1build4"
        },
        {
            "binary_name": "libcoap3t64",
            "binary_version": "4.3.4-1.1build4"
        }
    ]
}

Ubuntu:25.04 / libcoap3

Package

Name
libcoap3
Purl
pkg:deb/ubuntu/libcoap3@4.3.4-1.1build4?arch=source&distro=plucky

Affected ranges

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

Affected versions

4.*

4.3.4-1.1build4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libcoap3-bin",
            "binary_version": "4.3.4-1.1build4"
        },
        {
            "binary_name": "libcoap3-dev",
            "binary_version": "4.3.4-1.1build4"
        },
        {
            "binary_name": "libcoap3t64",
            "binary_version": "4.3.4-1.1build4"
        }
    ]
}