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node-marked — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2018-25110

Marked prior to version 0.3.17 is vulnerable to a Regular Expression Denial of Service (ReDoS) attack due to catastrophic backtracking in several regular expressions used for parsing HTML tags and markdown links. An attacker can exploit this vulnerability by providing specially crafted markdown input, such as deeply nested or repetitively structured brackets or tag attributes, which cause the parser to hang and lead to a Denial of Service.

Products
node-marked
Affected versions
Not specified
Fixed versions
0.5.1+dfsg-1
CVEs
CVE-2018-25110
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 01:33 UTC · Revision 1

Source evidence

DEBIAN-CVE-2018-25110

core-osv · Original source

Published 23 May 2025, 15:15 UTC

Marked prior to version 0.3.17 is vulnerable to a Regular Expression Denial of Service (ReDoS) attack due to catastrophic backtracking in several regular expressions used for parsing HTML tags and markdown links. An attacker can exploit this vulnerability by providing specially crafted markdown input, such as deeply nested or repetitively structured brackets or tag attributes, which cause the parser to hang and lead to a Denial of Service.

osv:DEBIAN-CVE-2018-25110

node-marked

Fixed versions: 0.5.1+dfsg-1

node-marked

Fixed versions: 0.5.1+dfsg-1

node-marked

Fixed versions: 0.5.1+dfsg-1

Complete source record
{
  "id": "12b1a4410066ec2046f42bdc75d98254fe9a077524463cdbd406b8850b15e472",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-25110",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2018-25110",
    "summary": "Marked prior to version 0.3.17 is vulnerable to a Regular Expression Denial of Service (ReDoS) attack due to catastrophic backtracking in several regular expressions used for parsing HTML tags and markdown links. An attacker can exploit this vulnerability by providing specially crafted markdown input, such as deeply nested or repetitively structured brackets or tag attributes, which cause the parser to hang and lead to a Denial of Service.",
    "evidence": "osv:DEBIAN-CVE-2018-25110",
    "products": [
      {
        "name": {
          "value": "node-marked",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.5.1+dfsg-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "node-marked",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.5.1+dfsg-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "node-marked",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.5.1+dfsg-1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "DEBIAN-CVE-2018-25110",
      "aliases": [
        "DEBIAN-CVE-2018-25110"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.5.1+dfsg-1"
                }
              ]
            }
          ],
          "package": {
            "name": "node-marked",
            "purl": "pkg:deb/debian/node-marked?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-25110.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.5.1+dfsg-1"
                }
              ]
            }
          ],
          "package": {
            "name": "node-marked",
            "purl": "pkg:deb/debian/node-marked?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-25110.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.5.1+dfsg-1"
                }
              ]
            }
          ],
          "package": {
            "name": "node-marked",
            "purl": "pkg:deb/debian/node-marked?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-25110.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-23T18:04:47.490339564Z",
      "provider": "osv",
      "upstream": [
        "CVE-2018-25110"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2018-25110"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2018-25110",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 423783,
  "published_at": "2025-05-23T15:15:20.21+00:00"
}