ubuntu-cve-2021-23341
Vulnerability from osv_ubuntu
Published
2021-02-18 16:15
Modified
2026-05-20 14:53
Summary
Details

The package prismjs before 1.23.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the prism-asciidoc, prism-rest, prism-tap and prism-eiffel components.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "node-prismjs",
            "binary_version": "1.11.0+dfsg-3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "node-prismjs",
        "purl": "pkg:deb/ubuntu/node-prismjs@1.11.0+dfsg-3?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.11.0+dfsg-2",
        "1.11.0+dfsg-3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "node-prismjs",
            "binary_version": "1.27.0+dfsg+~1.26.0-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "node-prismjs",
        "purl": "pkg:deb/ubuntu/node-prismjs@1.27.0+dfsg+~1.26.0-1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.23.0+dfsg-1",
        "1.25.0+dfsg-1",
        "1.27.0+dfsg+~1.26.0-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "node-prismjs",
            "binary_version": "1.29.0+dfsg+~1.26.0-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "node-prismjs",
        "purl": "pkg:deb/ubuntu/node-prismjs@1.29.0+dfsg+~1.26.0-1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.29.0+dfsg+~1.26.0-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "node-prismjs",
            "binary_version": "1.30.0+dfsg+~1.26.5-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "node-prismjs",
        "purl": "pkg:deb/ubuntu/node-prismjs@1.30.0+dfsg+~1.26.5-1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.29.0+dfsg+~1.26.0-1",
        "1.30.0+dfsg+~1.26.5-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "node-prismjs",
            "binary_version": "1.30.0+dfsg+~1.26.6-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "node-prismjs",
        "purl": "pkg:deb/ubuntu/node-prismjs@1.30.0+dfsg+~1.26.6-1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.30.0+dfsg+~1.26.5-1",
        "1.30.0+dfsg+~1.26.5-2",
        "1.30.0+dfsg+~1.26.6-1"
      ]
    }
  ],
  "aliases": [],
  "details": "The package prismjs before 1.23.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the prism-asciidoc, prism-rest, prism-tap and prism-eiffel components.",
  "id": "UBUNTU-CVE-2021-23341",
  "modified": "2026-05-20T14:53:09Z",
  "published": "2021-02-18T16:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-23341"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/PrismJS/prism/commit/c2f6a64426f44497a675cb32dccb079b3eff1609"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/PrismJS/prism/pull/2584"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/PrismJS/prism/issues/2583"
    },
    {
      "type": "REPORT",
      "url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1076583"
    },
    {
      "type": "REPORT",
      "url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1076582"
    },
    {
      "type": "REPORT",
      "url": "https://snyk.io/vuln/SNYK-JS-PRISMJS-1076581"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-23341"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-23341"
  ]
}



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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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