UBUNTU-CVE-2025-9670

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2025-9670
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-9670.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-9670
Upstream
Published
2025-08-29T19:15:00Z
Modified
2026-01-20T19:17:22.270519Z
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
  • 5.5 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A security flaw has been discovered in mixmark-io turndown up to 7.2.1. This affects an unknown function of the file src/commonmark-rules.js. Performing manipulation results in inefficient regular expression complexity. It is possible to initiate the attack remotely. The exploit has been released to the public and may be exploited.

References

Affected packages

Ubuntu:22.04:LTS / node-turndown

Package

Name
node-turndown
Purl
pkg:deb/ubuntu/node-turndown@7.1.1-2?arch=source&distro=jammy

Affected ranges

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

Affected versions

7.*
7.1.1-1
7.1.1-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "node-turndown",
            "binary_version": "7.1.1-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-9670.json"

Ubuntu:24.04:LTS / node-turndown

Package

Name
node-turndown
Purl
pkg:deb/ubuntu/node-turndown@7.1.1-3?arch=source&distro=noble

Affected ranges

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

Affected versions

7.*
7.1.1-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "node-turndown",
            "binary_version": "7.1.1-3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-9670.json"

Ubuntu:25.10 / node-turndown

Package

Name
node-turndown
Purl
pkg:deb/ubuntu/node-turndown@7.1.1-3?arch=source&distro=questing

Affected ranges

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

Affected versions

7.*
7.1.1-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "node-turndown",
            "binary_version": "7.1.1-3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-9670.json"