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GSD-2021-26813

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
markdown2 >=1.0.1.18, fixed in 2.4.0, is affected by a regular expression denial of service vulnerability. If an attacker provides a malicious string, it can make markdown2 processing difficult or delayed for an extended period of time.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2021-26813",
    "description": "markdown2 \u003e=1.0.1.18, fixed in 2.4.0, is affected by a regular expression denial of service vulnerability. If an attacker provides a malicious string, it can make markdown2 processing difficult or delayed for an extended period of time.",
    "id": "GSD-2021-26813",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-26813.html",
      "https://security.archlinux.org/CVE-2021-26813"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-26813"
      ],
      "details": "markdown2 \u003e=1.0.1.18, fixed in 2.4.0, is affected by a regular expression denial of service vulnerability. If an attacker provides a malicious string, it can make markdown2 processing difficult or delayed for an extended period of time.",
      "id": "GSD-2021-26813",
      "modified": "2023-12-13T01:23:33.285712Z",
      "schema_version": "1.4.0"
    }
  },
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      "advisories": [
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          "affected_range": "\u003e=1.0.1.18,\u003c2.4.0",
          "affected_versions": "All versions starting from 1.0.1.18 before 2.4.0",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-1333",
            "CWE-937"
          ],
          "date": "2023-08-08",
          "description": "markdown2 If an attacker provides a malicious string, it can make markdown2 processing difficult or delayed for an extended period of time.",
          "fixed_versions": [
            "2.4.0"
          ],
          "identifier": "CVE-2021-26813",
          "identifiers": [
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          "not_impacted": "All versions before 1.0.1.18, all versions starting from 2.4.0",
          "package_slug": "pypi/markdown2",
          "pubdate": "2021-03-03",
          "solution": "Upgrade to version 2.4.0 or above.",
          "title": "Uncontrolled Resource Consumption",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-26813"
          ],
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      "impact": {
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          "cvssV2": {
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            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
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            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
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          "obtainAllPrivilege": false,
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          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
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          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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        }
      },
      "lastModifiedDate": "2022-05-23T16:00Z",
      "publishedDate": "2021-03-03T16:15Z"
    }
  }
}



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