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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2021-29060

A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in Color-String version 1.5.5 and below which occurs when the application is provided and checks a crafted invalid HWB string.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2021-29060
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 11:16 UTC · Revision 1

Source evidence

CVE-2021-29060

core-osv · Original source

Published 21 Jun 2021, 16:15 UTC

A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in Color-String version 1.5.5 and below which occurs when the application is provided and checks a crafted invalid HWB string.

osv:CVE-2021-29060
Complete source record
{
  "id": "df5454f739129fcac71f46d28daeea098a89262507f31c0d897ad53ec5df26a5",
  "url": "https://osv.dev/vulnerability/CVE-2021-29060",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-29060",
    "summary": "A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in Color-String version 1.5.5 and below which occurs when the application is provided and checks a crafted invalid HWB string.",
    "evidence": "osv:CVE-2021-29060",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-29060",
      "aliases": [
        "CVE-2021-29060",
        "GHSA-257v-vj4p-3w2h"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/qix-/color-string",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "966ae4d80fc8f237674d099ce6214a9fb6a816bb"
                },
                {
                  "fixed": "0789e21284c33d89ebc4ab4ca6f759b9375ac9d3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:color-string_project:color-string:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.5.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "0789e21284c33d89ebc4ab4ca6f759b9375ac9d3"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.5.4",
            "1.5.2",
            "1.5.1",
            "1.5.0",
            "1.4.0",
            "1.3.1",
            "1.3.0",
            "1.2.0",
            "1.1.1",
            "1.1.0",
            "1.0.1",
            "1.0.0",
            "0.4.0",
            "0.3.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-29060.json"
          }
        }
      ],
      "modified": "2026-10-20T10:53:42.905231134Z",
      "provider": "osv",
      "references": [
        "https://www.npmjs.com/package/color-string",
        "https://github.com/yetingli/SaveResults/blob/main/js/color-string.js",
        "https://github.com/Qix-/color-string/commit/0789e21284c33d89ebc4ab4ca6f759b9375ac9d3",
        "https://github.com/yetingli/PoCs/blob/main/CVE-2021-29060/Color-String.md"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-29060",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384531,
  "published_at": "2021-06-21T16:15:08.113+00:00"
}