CVE-2023-22485
Vulnerability from cvelistv5
Published
2023-01-24 00:26
Modified
2024-08-02 10:13
Summary
cmark-gfm out-of-bounds read in validate_protocol
Impacted products
githubcmark-gfm
Show details on NVD website


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          "dateUpdated": "2024-08-02T10:13:48.514Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "https://github.com/github/cmark-gfm/security/advisories/GHSA-c944-cv5f-hpvr"
          }
        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
      "affected": [
        {
          "product": "cmark-gfm",
          "vendor": "github",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.29.0.gfm.7"
            }
          ]
        }
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      "descriptions": [
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          "lang": "en",
          "value": "cmark-gfm is GitHub\u0027s fork of cmark, a CommonMark parsing and rendering library and program in C. In versions prior 0.29.0.gfm.7, a crafted markdown document can trigger an out-of-bounds read in the `validate_protocol` function. We believe this bug is harmless in practice, because the out-of-bounds read accesses `malloc` metadata without causing any visible damage.This vulnerability has been patched in 0.29.0.gfm.7."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "CWE-125: Out-of-bounds Read",
              "lang": "en",
              "type": "CWE"
            }
          ]
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      "providerMetadata": {
        "dateUpdated": "2023-01-24T00:26:57.671Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
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          "name": "https://github.com/github/cmark-gfm/security/advisories/GHSA-c944-cv5f-hpvr",
          "tags": [
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          ],
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      ],
      "source": {
        "advisory": "GHSA-c944-cv5f-hpvr",
        "discovery": "UNKNOWN"
      },
      "title": "cmark-gfm out-of-bounds read in validate_protocol"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2023-22485",
    "datePublished": "2023-01-24T00:26:57.671Z",
    "dateReserved": "2022-12-29T17:41:28.088Z",
    "dateUpdated": "2024-08-02T10:13:48.514Z",
    "state": "PUBLISHED"
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  }
}


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