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w3m — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2022-38223

There is an out-of-bounds write in checkType located in etc.c in w3m 0.5.3. It can be triggered by sending a crafted HTML file to the w3m binary. It allows an attacker to cause Denial of Service or possibly have unspecified other impact.

Products
w3m
Affected versions
Not specified
Fixed versions
0.5.3+git20230121-1
CVEs
CVE-2022-38223
Confirmed fixed CVEs
Not specified
Updated in this feed
30 Oct 2026, 14:46 UTC · Revision 1

Source evidence

DEBIAN-CVE-2022-38223

core-osv · Original source

Published 15 Aug 2022, 11:21 UTC

There is an out-of-bounds write in checkType located in etc.c in w3m 0.5.3. It can be triggered by sending a crafted HTML file to the w3m binary. It allows an attacker to cause Denial of Service or possibly have unspecified other impact.

osv:DEBIAN-CVE-2022-38223

w3m

Fixed versions: 0.5.3+git20230121-1

w3m

Fixed versions: 0.5.3+git20230121-1

w3m

Fixed versions: 0.5.3+git20230121-1

Complete source record
{
  "id": "7d1818c50ddf13651e44e8095a5d0c0c186d690a59c83531e7e07392918f0985",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2022-38223",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2022-38223",
    "summary": "There is an out-of-bounds write in checkType located in etc.c in w3m 0.5.3. It can be triggered by sending a crafted HTML file to the w3m binary. It allows an attacker to cause Denial of Service or possibly have unspecified other impact.",
    "evidence": "osv:DEBIAN-CVE-2022-38223",
    "products": [
      {
        "name": {
          "value": "w3m",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.5.3+git20230121-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "w3m",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.5.3+git20230121-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "w3m",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.5.3+git20230121-1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "DEBIAN-CVE-2022-38223",
      "aliases": [
        "DEBIAN-CVE-2022-38223"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.5.3+git20230121-1"
                }
              ]
            }
          ],
          "package": {
            "name": "w3m",
            "purl": "pkg:deb/debian/w3m?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-38223.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.5.3+git20230121-1"
                }
              ]
            }
          ],
          "package": {
            "name": "w3m",
            "purl": "pkg:deb/debian/w3m?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-38223.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.5.3+git20230121-1"
                }
              ]
            }
          ],
          "package": {
            "name": "w3m",
            "purl": "pkg:deb/debian/w3m?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-38223.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-15T08:02:04.951441533Z",
      "provider": "osv",
      "upstream": [
        "CVE-2022-38223"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2022-38223"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2022-38223",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 323254,
  "published_at": "2022-08-15T11:21:43.557+00:00"
}