{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54909", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-16T13:49:33.556Z", "datePublished": "2026-07-31T22:03:53.514Z", "dateUpdated": "2026-07-31T22:03:53.514Z"}, "containers": {"cna": {"title": "Pion STUN vulnerable to remote denial of service via panic while parsing a malformed XOR-MAPPED-ADDRESS attribute", "problemTypes": [{"descriptions": [{"cweId": "CWE-20", "lang": "en", "description": "CWE-20: Improper Input Validation", "type": "CWE"}]}], "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"}}], "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"}], "affected": [{"vendor": "pion", "product": "stun", "versions": [{"version": "< 3.1.3", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-31T22:03:53.514Z"}, "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."}], "source": {"advisory": "GHSA-34rh-wp3j-6cxc", "discovery": "UNKNOWN"}}}}

{}

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