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Vulnerabilities

Vulnerability · 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 · catalog updated Oct 15, 2026 · debug project

Check if you run it

No confirmed exploitation is on record for CVE-2017-16137. EPSS is 2.83%. Act only if a listed version of debug project is installed.

Severity
Medium5.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
2.83%
Remediation
Advisory link
Affected products
Debian:12 node-debug · Debian:13 node-debug · Debian:14 node-debug · cpe debug project/debug

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • 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

How to fix CVE-2017-16137

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2017-16137. EPSS is 2.83%. Act only if a listed version of debug project is installed.

Which versions are affected?

Compare what you have installed with 0 → 3.1.0-1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-400: Uncontrolled Resource Consumption. EPSS 2.83%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Debian security

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. 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.

  2. 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.

  3. Oct 15, 2026 · OpenSSF OSV / OSV Scanner

    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

  4. Oct 15, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    node-debug fixed in 3.1.0-1

  5. Oct 15, 2026 · OpenSSF OSV / OSV Scanner

    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.

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
  • OpenSSF OSV / OSV ScannerPackage advisoryDEBIAN-CVE-2017-16137
    osv.dev

References

Freshness

Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.