UBUNTU-CVE-2026-43506

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2026-43506
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-43506.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-43506
Upstream
  • CVE-2026-43506
Published
2026-05-01T15:16:00Z
Modified
2026-05-20T16:26:02.776480531Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L 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

An issue was discovered in Prosody before 0.12.6 and 1.0.0 through 13.0.0 before 13.0.5. A Denial of Service can occur via memory exhaustion caused by memory leaks from unauthenticated connections.

References

Affected packages

Ubuntu:16.04:LTS
prosody

Package

Name
prosody
Purl
pkg:deb/ubuntu/prosody?arch=source&distro=xenial

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
0.9.10-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.9.10-1",
            "binary_name": "prosody"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-43506.json"
Ubuntu:20.04:LTS
prosody

Package

Name
prosody
Purl
pkg:deb/ubuntu/prosody?arch=source&distro=focal

Affected ranges

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

Affected versions

0.*
0.11.2-1
0.11.3-1
0.11.4-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.11.4-1",
            "binary_name": "prosody"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-43506.json"
Ubuntu:22.04:LTS
prosody

Package

Name
prosody
Purl
pkg:deb/ubuntu/prosody?arch=source&distro=jammy

Affected ranges

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

Affected versions

0.*
0.11.10-1
0.11.10-1build1
0.11.10-1build2
0.11.11-1
0.11.11-2
0.11.12-1
0.11.13-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.11.13-1",
            "binary_name": "prosody"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-43506.json"
Ubuntu:24.04:LTS
prosody

Package

Name
prosody
Purl
pkg:deb/ubuntu/prosody?arch=source&distro=noble

Affected ranges

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

Affected versions

0.*
0.12.3-1
0.12.4-1
0.12.4-1build1
0.12.4-1build2
0.12.4-1build3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.12.4-1build3",
            "binary_name": "prosody"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-43506.json"
Ubuntu:25.10
prosody

Package

Name
prosody
Purl
pkg:deb/ubuntu/prosody?arch=source&distro=questing

Affected ranges

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

Affected versions

0.*
0.12.5-1build1
13.*
13.0.1-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "13.0.1-1",
            "binary_name": "prosody"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-43506.json"
Ubuntu:26.04:LTS
prosody

Package

Name
prosody
Purl
pkg:deb/ubuntu/prosody?arch=source&distro=resolute

Affected ranges

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

Affected versions

13.*
13.0.1-1
13.0.2-1
13.0.2-1build1
13.0.3-1
13.0.4-1
13.0.4-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "13.0.4-2",
            "binary_name": "prosody"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-43506.json"
Ubuntu:Pro:18.04:LTS
prosody

Package

Name
prosody
Purl
pkg:deb/ubuntu/prosody?arch=source&distro=esm-apps%2Fbionic

Affected ranges

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

Affected versions

0.*
0.9.12-2
0.10.0-1
0.10.0-1build1
0.10.0-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.10.0-1ubuntu0.1~esm1",
            "binary_name": "prosody"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-43506.json"