{"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":"2026-08-03T17:30:22.558Z"},"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"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-03T17:28:49.547530Z","id":"CVE-2026-54909","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-03T17:30:22.558Z"}}]}}