UBUNTU-CVE-2023-31606

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Source
https://ubuntu.com/security/CVE-2023-31606
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-31606.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2023-31606
Upstream
Downstream
Related
Published
2023-06-06T17:15:00Z
Modified
2025-07-16T07:57:38.635009Z
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

A Regular Expression Denial of Service (ReDoS) issue was discovered in the sanitize_html function of redcloth gem v4.0.0. This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted payload.

References

Affected packages

Ubuntu:Pro:16.04:LTS / ruby-redcloth

Package

Name
ruby-redcloth
Purl
pkg:deb/ubuntu/ruby-redcloth@4.2.9-5ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.2.9-5ubuntu0.1~esm1

Affected versions

4.*

4.2.9-5build1
4.2.9-5build2
4.2.9-5build3
4.2.9-5build4

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "ruby-redcloth",
            "binary_version": "4.2.9-5ubuntu0.1~esm1"
        },
        {
            "binary_name": "ruby-redcloth-dbgsym",
            "binary_version": "4.2.9-5ubuntu0.1~esm1"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / ruby-redcloth

Package

Name
ruby-redcloth
Purl
pkg:deb/ubuntu/ruby-redcloth@4.3.2-3ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.3.2-3ubuntu0.1~esm1

Affected versions

4.*

4.3.2-2
4.3.2-3
4.3.2-3build1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "ruby-redcloth",
            "binary_version": "4.3.2-3ubuntu0.1~esm1"
        },
        {
            "binary_name": "ruby-redcloth-dbgsym",
            "binary_version": "4.3.2-3ubuntu0.1~esm1"
        }
    ]
}

Ubuntu:20.04:LTS / ruby-redcloth

Package

Name
ruby-redcloth
Purl
pkg:deb/ubuntu/ruby-redcloth@4.3.2-3+deb10u1build0.20.04.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.3.2-3+deb10u1build0.20.04.1

Affected versions

4.*

4.3.2-3build1
4.3.2-3build2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "ruby-redcloth",
            "binary_version": "4.3.2-3+deb10u1build0.20.04.1"
        },
        {
            "binary_name": "ruby-redcloth-dbgsym",
            "binary_version": "4.3.2-3+deb10u1build0.20.04.1"
        }
    ]
}

Ubuntu:22.04:LTS / ruby-redcloth

Package

Name
ruby-redcloth
Purl
pkg:deb/ubuntu/ruby-redcloth@4.3.2-4ubuntu0.22.04.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.3.2-4ubuntu0.22.04.1

Affected versions

4.*

4.3.2-3build2
4.3.2-3build3
4.3.2-4

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "ruby-redcloth",
            "binary_version": "4.3.2-4ubuntu0.22.04.1"
        },
        {
            "binary_name": "ruby-redcloth-dbgsym",
            "binary_version": "4.3.2-4ubuntu0.22.04.1"
        }
    ]
}