cve-2023-22485
Vulnerability from cvelistv5
Published
2023-01-24 00:26
Modified
2024-08-02 10:13
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
cmark-gfm out-of-bounds read in validate_protocol
References
security-advisories@github.comhttps://github.com/github/cmark-gfm/security/advisories/GHSA-c944-cv5f-hpvrExploit, Third Party Advisory
Impacted products
githubcmark-gfm
Show details on NVD website

To clipboard 

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    "cna": {
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          "vendor": "github",
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          "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": [
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          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
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              "cweId": "CWE-125",
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      "source": {
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        "discovery": "UNKNOWN"
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    "dateReserved": "2022-12-29T17:41:28.088Z",
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  }
}


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