{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "stun",
          "vendor": "pion",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 3.1.3"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "pion/stun is a Go implementation of STUN. Prior to 3.1.3, XORMappedAddress.GetFromAs can panic while parsing a malformed short XOR-MAPPED-ADDRESS attribute in STUN or ICE Binding-response parsing paths, allowing remote denial of service. This issue is fixed in version 3.1.3."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20: Improper Input Validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-31T22:03:53.514Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/pion/stun/security/advisories/GHSA-34rh-wp3j-6cxc",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/pion/stun/security/advisories/GHSA-34rh-wp3j-6cxc"
        },
        {
          "name": "https://github.com/pion/stun/pull/278",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/pion/stun/pull/278"
        },
        {
          "name": "https://github.com/pion/stun/commit/fa9f074a33a8059c76c960b1fbee39f308002423",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/pion/stun/commit/fa9f074a33a8059c76c960b1fbee39f308002423"
        },
        {
          "name": "https://github.com/pion/stun/releases/tag/v3.1.3",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/pion/stun/releases/tag/v3.1.3"
        }
      ],
      "source": {
        "advisory": "GHSA-34rh-wp3j-6cxc",
        "discovery": "UNKNOWN"
      },
      "title": "Pion STUN vulnerable to remote denial of service via panic while parsing a malformed XOR-MAPPED-ADDRESS attribute"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-54909",
    "datePublished": "2026-07-31T22:03:53.514Z",
    "dateReserved": "2026-06-16T13:49:33.556Z",
    "dateUpdated": "2026-07-31T22:03:53.514Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-54909\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-07-31T23:17:25.433\",\"lastModified\":\"2026-07-31T23:17:25.433\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"pion/stun is a Go implementation of STUN. Prior to 3.1.3, XORMappedAddress.GetFromAs can panic while parsing a malformed short XOR-MAPPED-ADDRESS attribute in STUN or ICE Binding-response parsing paths, allowing remote denial of service. This issue is fixed in version 3.1.3.\"}],\"affected\":[{\"source\":\"security-advisories@github.com\",\"affectedData\":[{\"vendor\":\"pion\",\"product\":\"stun\",\"versions\":[{\"version\":\"\u003c 3.1.3\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"references\":[{\"url\":\"https://github.com/pion/stun/commit/fa9f074a33a8059c76c960b1fbee39f308002423\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/pion/stun/pull/278\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/pion/stun/releases/tag/v3.1.3\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/pion/stun/security/advisories/GHSA-34rh-wp3j-6cxc\",\"source\":\"security-advisories@github.com\"}]}}"
  }
}