UBUNTU-CVE-2021-33586

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Source
https://ubuntu.com/security/CVE-2021-33586
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33586.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-33586
Related
Withdrawn
2025-06-23T15:54:03Z
Published
2021-05-27T05:15:00Z
Modified
2025-01-13T10:22:34Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
[none]
Details

InspIRCd 3.8.0 through 3.9.x before 3.10.0 allows any user (able to connect to the server) to access recently deallocated memory, aka the "malformed PONG" issue.

References

Affected packages

Ubuntu:Pro:16.04:LTS / inspircd

Package

Name
inspircd
Purl
pkg:deb/ubuntu/inspircd@2.0.20-5build2?arch=source&distro=esm-apps/xenial

Affected ranges

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

Affected versions

2.*

2.0.20-3
2.0.20-4
2.0.20-5
2.0.20-5build1
2.0.20-5build2

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33586.json"

Ubuntu:Pro:18.04:LTS / inspircd

Package

Name
inspircd
Purl
pkg:deb/ubuntu/inspircd@2.0.24-1ubuntu1?arch=source&distro=esm-apps/bionic

Affected ranges

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

Affected versions

2.*

2.0.24-1ubuntu1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33586.json"

Ubuntu:20.04:LTS / inspircd

Package

Name
inspircd
Purl
pkg:deb/ubuntu/inspircd@3.4.0-2ubuntu1?arch=source&distro=focal

Affected ranges

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

Affected versions

2.*

2.0.27-1ubuntu2

3.*

3.4.0-2ubuntu1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33586.json"

Ubuntu:22.04:LTS / inspircd

Package

Name
inspircd
Purl
pkg:deb/ubuntu/inspircd@3.12.0-1build1?arch=source&distro=jammy

Affected ranges

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

Affected versions

3.*

3.8.1-2build1
3.12.0-1
3.12.0-1build1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33586.json"