CVE-2025-9670

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Source
https://cve.org/CVERecord?id=CVE-2025-9670
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-9670.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-9670
Downstream
Published
2025-08-29T19:02:08.787Z
Modified
2026-07-15T01:49:03.381305363Z
Severity
  • 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
Summary
mixmark-io turndown commonmark-rules.js redos
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.

Database specific 
{
    "cwe_ids": [
        "CWE-1333",
        "CWE-400"
    ],
    "cna_assigner": "VulDB",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/9xxx/CVE-2025-9670.json"
}
References

Affected packages

Git / github.com/mixmark-io/turndown

Affected ranges

Type
GIT
Repo
https://github.com/mixmark-io/turndown
Events
Introduced
cc73387fb707e5fb5e1083e94078d08f38f3abc8
Last affected
0df0c0506233e0459ba21974f30b9ad3f1feb20f
Database specific 
{
    "extracted_events": [
        {
            "introduced": "7.2.0"
        },
        {
            "last_affected": "7.2.0"
        },
        {
            "introduced": "7.2.1"
        },
        {
            "last_affected": "7.2.1"
        }
    ],
    "source": "AFFECTED_FIELD"
}

Affected versions

7.*
7.2.0
7.2.1
v7.*
v7.2.0
v7.2.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-9670.json"