CVE-2017-16137

MEDIUMNVD 5.3

5.3

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.

CVSS v3: 5.3
EG Score: —
EPSS: 26.5%
KEV: Not listed

Published

June 7, 2018

Last Modified

November 21, 2024

References (10)

support@hackeronehttps://github.com/visionmedia/debug/issues/501
support@hackeronehttps://github.com/visionmedia/debug/pull/504
support@hackeronehttps://lists.apache.org/thread.html/r8ba4c628fba7181af58817d452119481adce4ba92e889c643e4c7dd3%40%3Ccommits.netbeans.apache.org%3E
support@hackeronehttps://lists.apache.org/thread.html/rb5ac16fad337d1f3bb7079549f97d8166d0ef3082629417c39f12d63%40%3Cnotifications.netbeans.apache.org%3E
support@hackeronehttps://nodesecurity.io/advisories/534
af854a3a-2127-422b-91ae-364da2661108https://github.com/visionmedia/debug/issues/501
af854a3a-2127-422b-91ae-364da2661108https://github.com/visionmedia/debug/pull/504
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r8ba4c628fba7181af58817d452119481adce4ba92e889c643e4c7dd3%40%3Ccommits.netbeans.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/rb5ac16fad337d1f3bb7079549f97d8166d0ef3082629417c39f12d63%40%3Cnotifications.netbeans.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://nodesecurity.io/advisories/534

Affected Packages

(1 across 1 ecosystem)

npm(1)

Package	Vulnerable range	Fixed in	Dependents
debug	—	4.3.1	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-400Uncontrolled Resource Consumption (Denial of Service)

Data Freshness Timeline

(refreshed 7× in last 7d / 7× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 16:05 UTCOSV refresh
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2017-16137?

CVE-2017-16137 is a medium vulnerability published on June 7, 2018. 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.

When was CVE-2017-16137 disclosed?

CVE-2017-16137 was first published in the National Vulnerability Database on June 7, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2017-16137 actively exploited?

CVE-2017-16137 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 26.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2017-16137?

CVE-2017-16137 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2017-16137?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-16137, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2017-16137

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