usn-8238-1
Vulnerability from osv_ubuntu
Published
2026-05-06 17:30
Modified
2026-05-20 14:48
Summary
editorconfig-core vulnerability
Details

It was discovered that EditorConfig incorrectly handled specially crafted configuration files. A local attacker could possibly use this issue to cause EditorConfig to crash, resulting in a denial of service.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2026-40489",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:24.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "editorconfig",
            "binary_version": "0.12.7-0.1ubuntu0.1"
          },
          {
            "binary_name": "libeditorconfig0",
            "binary_version": "0.12.7-0.1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "editorconfig-core",
        "purl": "pkg:deb/ubuntu/editorconfig-core@0.12.7-0.1ubuntu0.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.12.7-0.1ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.12.6-0.1",
        "0.12.7-0.1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2026-40489",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:25.10"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "editorconfig",
            "binary_version": "0.12.9+~0.17.1-1ubuntu2.1"
          },
          {
            "binary_name": "libeditorconfig0",
            "binary_version": "0.12.9+~0.17.1-1ubuntu2.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "editorconfig-core",
        "purl": "pkg:deb/ubuntu/editorconfig-core@0.12.9+~0.17.1-1ubuntu2.1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.12.9+~0.17.1-1ubuntu2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.12.9+~0.15.1-1ubuntu1",
        "0.12.9+~0.17.1-1",
        "0.12.9+~0.17.1-1ubuntu2"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2026-40489",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:26.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "editorconfig",
            "binary_version": "0.12.10+~0.17.1-3ubuntu0.1"
          },
          {
            "binary_name": "libeditorconfig0",
            "binary_version": "0.12.10+~0.17.1-3ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "editorconfig-core",
        "purl": "pkg:deb/ubuntu/editorconfig-core@0.12.10+~0.17.1-3ubuntu0.1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.12.10+~0.17.1-3ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.12.9+~0.17.1-1ubuntu2",
        "0.12.10+~0.17.1-2",
        "0.12.10+~0.17.1-3"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that EditorConfig incorrectly handled specially crafted\nconfiguration files. A local attacker could possibly use this issue to\ncause EditorConfig to crash, resulting in a denial of service.",
  "id": "USN-8238-1",
  "modified": "2026-05-20T14:48:19Z",
  "published": "2026-05-06T17:30:13Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8238-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-40489"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "editorconfig-core vulnerability",
  "upstream": [
    "UBUNTU-CVE-2026-40489"
  ]
}



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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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