CVE-2017-20165

highpriority · track · 41EPSS 0.021 · 82 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

2.10% (82nd) EPSS

CVSS 7.5 · high

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

A vulnerability classified as problematic has been found in debug-js debug up to 3.0.x. This affects the function useColors of the file src/node.js. The manipulation of the argument str leads to inefficient regular expression complexity. Upgrading to version 3.1.0 is able to address this issue. The identifier of the patch is c38a0166c266a679c8de012d4eaccec3f944e685. It is recommended to upgrade the affected component. The identifier VDB-217665 was assigned to this vulnerability.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 2.7–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v2.02.7lowAV:A/AC:L/Au:S/C:N/I:N/A:Psecondary · cna@vuldb.comexploitability 5.1 · impact 2.9

v3.13.5lowCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Lsecondary · ENISA EU

v3.13.5lowCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Lsecondary · cna@vuldb.comexploitability 2.1 · impact 1.4

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Psecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1333USprimaryCWE-1333US

exploits (1)

Public proof-of-concept and weaponised exploit code.

fastify/sendFork of the send module to deal with CVE-2017-20165PoC · poc_in_github

affected products (5)

Products and version ranges known to be affected.

debug-js Debug≤ 3.0enisa_euvdEU
debug project debug< 2.6.9nvdUScpe:2.3:a:debug_project:debug:*:*:*:*:*:*:*:*
debug project debug3.0.0 → 3.1.0nvdUScpe:2.3:a:debug_project:debug:*:*:*:*:*:*:*:*
npm debug< 2.6.9osvUSpkg:npm/debug
npm debug3.0.0 → 3.1.0osvUSpkg:npm/debug

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-9vvw-cc9w-f27hdebug Inefficient Regular Expression Complexity vulnerability2023-01-09ghsa · osvUS
A vulnerability classified as problematic has been found in debug-js debug up to 3.0.x. This affects the function useColors of the file src/node.js. The manipulation of the argument str leads to inefficient regular expression complexity. Upgrading to version 3.1.0 is able to address this issue. The name of the patch is c38a0166c266a679c8de012d4eaccec3f944e685. It is recommended to upgrade the affected component. The identifier VDB-217665 was assigned to this vulnerability. The patch has been backported to the 2.6.x branch in version 2.6.9.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2023-01-09modified 2026-06-17

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+598 more

references (17)

External citations — patches, advisories, analysis.

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