Vulnerability-Lookup

CVE-2023-38253 (GCVE-0-2023-38253)

Vulnerability from cvelistv5 – Published: 2023-07-14 17:07 – Updated: 2025-02-13 17:01

Title

W3m: out of bounds read in growbuf_to_str() at w3m/indep.c

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.

Severity

4.7 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE

CWE-125 - Out-of-bounds Read

Assigner

redhat redhat root

References

6 references

URL	Tags
https://access.redhat.com/security/cve/CVE-2023-38253	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2222779	issue-trackingx_refsource_REDHAT
https://github.com/tats/w3m/issues/271
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…

Impacted products

4 products

Vendor	Product	Version	CPE status
n/a	w3m
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Fedora	Extra Packages for Enterprise Linux		guessed
Fedora	Fedora		guessed

Date Public

2023-06-29 00:00

Show details on NVD website

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      "initial_release_date": "2023-06-29T00:00:00+00:00",
      "product_status:known_not_affected": "2",
      "source": "Red Hat CSAF VEX",
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      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-38253.json",
      "version": "3"
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    "suse_vex": {
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      "cve": "CVE-2023-38253",
      "id": "CVE-2023-38253",
      "initial_release_date": "2023-07-15T02:17:48Z",
      "product_status:known_not_affected": "46",
      "product_status:recommended": "34",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-38253",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-38253.json",
      "version": "19"
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  }
}

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

URL	Tags
secalert@redhat.com	https://access.redhat.com/security/cve/CVE-2023-38253	Third Party Advisory
secalert@redhat.com	https://bugzilla.redhat.com/show_bug.cgi?id=2222779	Issue Tracking, Third Party Advisory
secalert@redhat.com	https://github.com/tats/w3m/issues/271	Exploit, Issue Tracking, Third Party Advisory
secalert@redhat.com	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AULOBQJLXE2KCT5UVQMKGEFL4GFIAOED/
secalert@redhat.com	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MKFZQUK7FPWWJQYICDZZ4YWIPUPQ2D3R/
secalert@redhat.com	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TODROGVCWZ435HQIZE6ARQC5LPQLIA5C/
af854a3a-2127-422b-91ae-364da2661108	https://access.redhat.com/security/cve/CVE-2023-38253	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://bugzilla.redhat.com/show_bug.cgi?id=2222779	Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/tats/w3m/issues/271	Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AULOBQJLXE2KCT5UVQMKGEFL4GFIAOED/
af854a3a-2127-422b-91ae-364da2661108	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MKFZQUK7FPWWJQYICDZZ4YWIPUPQ2D3R/
af854a3a-2127-422b-91ae-364da2661108	https://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

JSON

To clipboard

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GHSA-RRG6-F895-JQ87

Vulnerability from github – Published: 2023-07-14 18:31 – Updated: 2024-03-27 03:31

Details

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.

Severity

4.7 (Medium)


                  
                    CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Show details on source website

JSON

To clipboard

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  "id": "GHSA-rrg6-f895-jq87",
  "modified": "2024-03-27T03:31:16Z",
  "published": "2023-07-14T18:31:03Z",
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GSD-2023-38253

Vulnerability from gsd - Updated: 2023-12-13 01:20

Details

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.

Aliases

CVE-2023-38253

Aliases

CVE-2023-38253

JSON

To clipboard

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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",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            },
            {
              "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",
                "version": "3.1"
              },
              "exploitabilityScore": 1.0,
              "impactScore": 3.6,
              "source": "secalert@redhat.com",
              "type": "Secondary"
            }
          ]
        },
        "published": "2023-07-14T18:15:11.047",
        "references": [
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://access.redhat.com/security/cve/CVE-2023-38253"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Issue Tracking",
              "Third Party Advisory"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2222779"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Exploit",
              "Issue Tracking",
              "Third Party Advisory"
            ],
            "url": "https://github.com/tats/w3m/issues/271"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AULOBQJLXE2KCT5UVQMKGEFL4GFIAOED/"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MKFZQUK7FPWWJQYICDZZ4YWIPUPQ2D3R/"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TODROGVCWZ435HQIZE6ARQC5LPQLIA5C/"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-125"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-125"
              }
            ],
            "source": "secalert@redhat.com",
            "type": "Secondary"
          }
        ]
      }
    }
  }
}

OPENSUSE-SU-2024:13138-1

Vulnerability from csaf_opensuse - Published: 2024-06-15 00:00 - Updated: 2024-06-15 00:00

Summary

w3m-0.5.3+git20230121-2.1 on GA media

Severity

Moderate

Scope

2 vulnerabilities in this advisory, including CVE-2023-38253.

CVE-2023-38253

5.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Recommended: 8 products

Open the full advisory

SUSE-SU-2023:4439-1

Vulnerability from csaf_suse - Published: 2023-11-14 12:43 - Updated: 2023-11-14 12:43

Summary

Security update for w3m

Severity

Moderate

Scope

2 vulnerabilities in this advisory, including CVE-2023-38253.

CVE-2023-38253

5.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Recommended: 24 products

Open the full advisory

UBUNTU-CVE-2023-38253 (CVE-2023-38253)

Vulnerability from osv_ubuntu – Published: 2023-07-14 18:15 – Updated: 2025-10-24 05:02 – Source website

Details

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.

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

N/A (UNKNOWN)

low

References

URL

Type

	https://ubuntu.com/security/CVE-2023-38253	REPORT
	https://access.redhat.com/security/cve/CVE-2023-38253	REPORT
	https://www.cve.org/CVERecord?id=CVE-2023-38253	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "w3m",
            "binary_version": "0.5.3-15ubuntu0.2+esm2"
          },
          {
            "binary_name": "w3m-img",
            "binary_version": "0.5.3-15ubuntu0.2+esm2"
          }
        ],
        "priority_reason": "Greatest impact is a crash (and therefore denial-of-service) in this command-line application - no real security impact."
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "w3m",
        "purl": "pkg:deb/ubuntu/w3m@0.5.3-15ubuntu0.2+esm2?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.5.3-11",
        "0.5.3-12",
        "0.5.3-13",
        "0.5.3-15",
        "0.5.3-15ubuntu0.1",
        "0.5.3-15ubuntu0.2",
        "0.5.3-15ubuntu0.2+esm1",
        "0.5.3-15ubuntu0.2+esm2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "w3m",
            "binary_version": "0.5.3-26ubuntu0.2"
          },
          {
            "binary_name": "w3m-img",
            "binary_version": "0.5.3-26ubuntu0.2"
          }
        ],
        "priority_reason": "Greatest impact is a crash (and therefore denial-of-service) in this command-line application - no real security impact."
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "w3m",
        "purl": "pkg:deb/ubuntu/w3m@0.5.3-26ubuntu0.2?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.5.3-24",
        "0.5.3-25",
        "0.5.3-26",
        "0.5.3-26build1",
        "0.5.3-26ubuntu0.1",
        "0.5.3-26ubuntu0.2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "w3m",
            "binary_version": "0.5.3-36ubuntu0.1+esm1"
          },
          {
            "binary_name": "w3m-img",
            "binary_version": "0.5.3-36ubuntu0.1+esm1"
          }
        ],
        "priority_reason": "Greatest impact is a crash (and therefore denial-of-service) in this command-line application - no real security impact."
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "w3m",
        "purl": "pkg:deb/ubuntu/w3m@0.5.3-36ubuntu0.1+esm1?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.5.3-36ubuntu0.1+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.5.3-34",
        "0.5.3-34.1",
        "0.5.3-35",
        "0.5.3-36",
        "0.5.3-36build1",
        "0.5.3-36ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "w3m",
            "binary_version": "0.5.3-37ubuntu0.2"
          },
          {
            "binary_name": "w3m-img",
            "binary_version": "0.5.3-37ubuntu0.2"
          }
        ],
        "priority_reason": "Greatest impact is a crash (and therefore denial-of-service) in this command-line application - no real security impact."
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "w3m",
        "purl": "pkg:deb/ubuntu/w3m@0.5.3-37ubuntu0.2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.5.3-37ubuntu0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.5.3-37",
        "0.5.3-37ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "w3m",
            "binary_version": "0.5.3+git20210102-6ubuntu0.2"
          },
          {
            "binary_name": "w3m-img",
            "binary_version": "0.5.3+git20210102-6ubuntu0.2"
          }
        ],
        "priority_reason": "Greatest impact is a crash (and therefore denial-of-service) in this command-line application - no real security impact."
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "w3m",
        "purl": "pkg:deb/ubuntu/w3m@0.5.3+git20210102-6ubuntu0.2?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
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              "fixed": "0.5.3+git20210102-6ubuntu0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.5.3+git20210102-6build1",
        "0.5.3+git20210102-6build2",
        "0.5.3+git20210102-6build3",
        "0.5.3+git20210102-6ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "w3m",
            "binary_version": "0.5.3+git20230121-2ubuntu1"
          },
          {
            "binary_name": "w3m-img",
            "binary_version": "0.5.3+git20230121-2ubuntu1"
          }
        ],
        "priority_reason": "Greatest impact is a crash (and therefore denial-of-service) in this command-line application - no real security impact."
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "w3m",
        "purl": "pkg:deb/ubuntu/w3m@0.5.3+git20230121-2ubuntu1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.5.3+git20230121-2ubuntu1"
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          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.5.3+git20230121-2"
      ]
    }
  ],
  "aliases": [],
  "details": "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": "UBUNTU-CVE-2023-38253",
  "modified": "2025-10-24T05:02:08Z",
  "published": "2023-07-14T18:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-38253"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2023-38253"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-38253"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-38253"
  ]
}

WID-SEC-W-2023-1746

Vulnerability from csaf_certbund - Published: 2023-07-13 22:00 - Updated: 2024-03-18 23:00

Summary

w3m: Mehrere Schwachstellen ermöglichen Denial of Service

Severity

Mittel

Scope

2 vulnerabilities in this advisory, including CVE-2023-38253.

CVE-2023-38253

In w3m existieren mehrere Schwachstellen. Diese sind auf Out-of-Bounds-Fehler in verschiedenen Funktionen zurückzuführen. Ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um einen Denial of Service Zustand herbeizuführen. Zur erfolgreichen Ausnutzung ist eine Benutzeraktion erforderlich.

Known affected: 2 products

Open the full advisory

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2023-38253 (GCVE-0-2023-38253)

FKIE_CVE-2023-38253

GHSA-RRG6-F895-JQ87

GSD-2023-38253

OPENSUSE-SU-2024:13138-1

SUSE-SU-2023:4439-1

UBUNTU-CVE-2023-38253 (CVE-2023-38253)

WID-SEC-W-2023-1746

Tags

Sightings

Nomenclature

Related by attack behaviour