FKIE_CVE-2023-38253

Vulnerability from fkie_nvd - Published: 2023-07-14 18:15 - Updated: 2026-06-17 06:09
Severity
4.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Summary
An out-of-bounds read flaw was found in w3m, in the growbuf_to_Str function in indep.c. This issue may allow an attacker to cause a denial of service through a crafted HTML file.
References
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2023-38253Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2222779Issue Tracking, Third Party Advisory
secalert@redhat.comhttps://github.com/tats/w3m/issues/271Exploit, Issue Tracking, Third Party Advisory
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AULOBQJLXE2KCT5UVQMKGEFL4GFIAOED/
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MKFZQUK7FPWWJQYICDZZ4YWIPUPQ2D3R/
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TODROGVCWZ435HQIZE6ARQC5LPQLIA5C/
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2023-38253Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2222779Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/tats/w3m/issues/271Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AULOBQJLXE2KCT5UVQMKGEFL4GFIAOED/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MKFZQUK7FPWWJQYICDZZ4YWIPUPQ2D3R/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TODROGVCWZ435HQIZE6ARQC5LPQLIA5C/
Impacted products
Vendor Product Version
tats w3m 0.5.3\+git20230121
fedoraproject extra_packages_for_enterprise_linux 8.0
fedoraproject fedora 38
redhat enterprise_linux 6.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "affected",
          "product": "w3m",
          "vendor": "n/a"
        },
        {
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          "cpes": [
            "cpe:/o:redhat:enterprise_linux:6"
          ],
          "defaultStatus": "unaffected",
          "packageName": "w3m",
          "product": "Red Hat Enterprise Linux 6",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://packages.fedoraproject.org/",
          "defaultStatus": "affected",
          "packageName": "w3m",
          "product": "Extra Packages for Enterprise Linux",
          "vendor": "Fedora"
        },
        {
          "collectionURL": "https://packages.fedoraproject.org/",
          "defaultStatus": "affected",
          "packageName": "w3m",
          "product": "Fedora",
          "vendor": "Fedora"
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An out-of-bounds read flaw was found in w3m, in the growbuf_to_Str function in indep.c. This issue may allow an attacker to cause a denial of service through a crafted HTML file."
    }
  ],
  "id": "CVE-2023-38253",
  "lastModified": "2026-06-17T06:09:45.970",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 4.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H",
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          "confidentialityImpact": "NONE",
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          "privilegesRequired": "NONE",
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          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
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  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
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      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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