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
2026-01-20T17:42:16.016567Z
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:18.04:LTS
libcoap

Package

Name
libcoap
Purl
pkg:deb/ubuntu/libcoap@4.1.2-1?arch=source&distro=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_version": "4.1.2-1",
            "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"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-51847.json"
Ubuntu:20.04:LTS
libcoap2

Package

Name
libcoap2
Purl
pkg:deb/ubuntu/libcoap2@4.2.1-1?arch=source&distro=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_version": "4.2.1-1",
            "binary_name": "libcoap2"
        },
        {
            "binary_version": "4.2.1-1",
            "binary_name": "libcoap2-bin"
        },
        {
            "binary_version": "4.2.1-1",
            "binary_name": "libcoap2-dev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-51847.json"
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_version": "4.2.1-1build1",
            "binary_name": "libcoap2"
        },
        {
            "binary_version": "4.2.1-1build1",
            "binary_name": "libcoap2-bin"
        },
        {
            "binary_version": "4.2.1-1build1",
            "binary_name": "libcoap2-dev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-51847.json"
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_version": "4.3.0-2build1",
            "binary_name": "libcoap3"
        },
        {
            "binary_version": "4.3.0-2build1",
            "binary_name": "libcoap3-bin"
        },
        {
            "binary_version": "4.3.0-2build1",
            "binary_name": "libcoap3-dev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-51847.json"
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_version": "4.3.4-1.1build4",
            "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"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-51847.json"
Ubuntu:25.10
libcoap3

Package

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

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_version": "4.3.4-1.1build4",
            "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"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-51847.json"