CVE-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.

Affected

HackerOne · debug node module

CVSS v3.1 GitHub

3.7 LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS v3.0 NVD

5.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS v2.0 NVD

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

2.83% chance of exploitation in the next 30 days, 86th percentile

Published

2018-06-07

Updated

2026-10-15

Proof-of-concept exploits (1)

• ossf-cve-benchmark/CVE-2017-161370★ · 2020-11-30

Security advisories

• visionmedia/debug/pull/504
• https://nodesecurity.io/advisories/534
• advisories/GHSA-gxpj-cx7g-858c

References

• CVE Record
• NVD entry