Vulnerability-Lookup

GHSA-C5X6-JM2X-6VFP

Vulnerability from github – Published: 2026-05-21 15:34 – Updated: 2026-05-21 18:33

Details

Buffer Overflow vulnerability in Uncrustify Project Affected v.Uncrustify_d-0.82.0-132-bcc41cbdc and Fixed in commit 68e67b9a1435a1bb173b106fedb4a4f510972bdc allows a local attacker to cause a denial of service via the check_template.cpp, check_template function, tokenize_cleanup function, uncrustify executable components

Severity

6.2 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-36189"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-120"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-21T15:16:24Z",
    "severity": "MODERATE"
  },
  "details": "Buffer Overflow vulnerability in Uncrustify Project Affected v.Uncrustify_d-0.82.0-132-bcc41cbdc and Fixed in commit 68e67b9a1435a1bb173b106fedb4a4f510972bdc allows a local attacker to cause a denial of service via the check_template.cpp, check_template function, tokenize_cleanup function, uncrustify executable components",
  "id": "GHSA-c5x6-jm2x-6vfp",
  "modified": "2026-05-21T18:33:09Z",
  "published": "2026-05-21T15:34:09Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-36189"
    },
    {
      "type": "WEB",
      "url": "https://github.com/uncrustify/uncrustify/pull/4641"
    },
    {
      "type": "WEB",
      "url": "https://gist.github.com/Criticayon/5da6d6c9cf068e494347c659d01982a9"
    },
    {
      "type": "WEB",
      "url": "https://github.com/uncrustify/uncrustify%2Chttps://github.com/uncrustify/uncrustify/issues/4636%2C"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-36189 (GCVE-0-2026-36189)

Vulnerability from cvelistv5 – Published: 2026-05-21 00:00 – Updated: 2026-05-21 15:08

Summary

Severity

6.2 (Medium)


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

CWE

Assigner

mitre

References

3 references

URL	Tags
https://github.com/uncrustify/uncrustify%2Chttps:…
https://github.com/uncrustify/uncrustify/pull/4641
https://gist.github.com/Criticayon/5da6d6c9cf068e…

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 6.2,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-36189",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-21T15:08:17.753436Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-120",
                "description": "CWE-120 Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-21T15:08:21.199Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Buffer Overflow vulnerability in Uncrustify Project Affected v.Uncrustify_d-0.82.0-132-bcc41cbdc and Fixed in commit 68e67b9a1435a1bb173b106fedb4a4f510972bdc allows a local attacker to cause a denial of service via the check_template.cpp, check_template function, tokenize_cleanup function, uncrustify executable components"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-21T14:25:42.295Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/uncrustify/uncrustify%2Chttps://github.com/uncrustify/uncrustify/issues/4636%2C"
        },
        {
          "url": "https://github.com/uncrustify/uncrustify/pull/4641"
        },
        {
          "url": "https://gist.github.com/Criticayon/5da6d6c9cf068e494347c659d01982a9"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-36189",
    "datePublished": "2026-05-21T00:00:00.000Z",
    "dateReserved": "2026-04-06T00:00:00.000Z",
    "dateUpdated": "2026-05-21T15:08:21.199Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-C5X6-JM2X-6VFP

CVE-2026-36189 (GCVE-0-2026-36189)

Tags

Sightings

Nomenclature