CVE-2017-16137
The debug module is vulnerable to regular expression denial of service when untrusted user input is passed into the o formatter.
Published Jun 7, 2018 · corrected/updated Oct 15, 2026 · debug project debug · evidence confidence high
The debug module is vulnerable to regular expression denial of service when untrusted user input is passed into the o formatter. It takes around 50k characters to block for 2 seconds making this a low severity issue.
Grounded briefings
Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.
Executive
CVE-2017-16137 is a medium public vulnerability record for debug project debug. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.
System administrator
Identify whether debug project debug is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: node-debug (0 → 3.1.0-1); node-debug (0 → 3.1.0-1); node-debug (0 → 3.1.0-1); debug project/debug. Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.
Security analyst
Signals on file: CVSS 5.3, EPSS 2.8%. It is not currently listed in the CISA Known Exploited catalog. Weakness classes: CWE-400. Sources contributing to this record: cve_org, epss, nvd, osv. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.
Exploitation and remediation
Exploitation evidence
Not listed as known exploited in CISA KEV. Not in the CISA KEV catalog.
Patch and remediation
No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Jun 7, 2018 · NIST NVD
Detected
The debug module is vulnerable to regular expression denial of service when untrusted user input is passed into the o formatter. It takes around 50k characters to block for 2 seconds making this a low severity issue.
Oct 15, 2026 · NIST NVD
Updated
The debug module is vulnerable to regular expression denial of service when untrusted user input is passed into the o formatter. It takes around 50k characters to block for 2 seconds making this a low severity issue.
Oct 15, 2026 · OSV.dev
Fix available
node-debug fixed in 3.1.0-1; node-debug fixed in 3.1.0-1; node-debug fixed in 3.1.0-1
Oct 15, 2026 · OSV.dev
Fix available
node-debug fixed in 3.1.0-1
Oct 15, 2026 · OSV.dev
Updated
The debug module is vulnerable to regular expression denial of service when untrusted user input is passed into the o formatter. It takes around 50k characters to block for 2 seconds making this a low severity issue.
Affected
- Debian:12 node-debug0 → 3.1.0-1
- Debian:13 node-debug0 → 3.1.0-1
- Debian:14 node-debug0 → 3.1.0-1
- cpe debug project/debugversion unspecified
Sources
- CVE.orgVulnerability recordCVE-2017-16137
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2017-16137
30-day exploitation probability 2.8%
first.org - NIST NVDVulnerability recordCVE-2017-16137
The debug module is vulnerable to regular expression denial of service when untrusted user input is passed into the o formatter. It takes around 50k characters to block for 2 seconds making this a low severity issue.
nvd.nist.gov - OSV.devPackage advisoryDEBIAN-CVE-2017-16137osv.dev