{"id":"CVE-2026-54909","summary":"Pion STUN vulnerable to remote denial of service via panic while parsing a malformed XOR-MAPPED-ADDRESS attribute","details":"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.","aliases":["GHSA-34rh-wp3j-6cxc"],"modified":"2026-08-02T03:47:22.647825811Z","published":"2026-07-31T22:03:53.514Z","related":["CGA-q3c3-3xh9-gw4x"],"database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-20"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54909.json"},"references":[{"type":"WEB","url":"https://github.com/pion/stun/releases/tag/v3.1.3"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54909.json"},{"type":"ADVISORY","url":"https://github.com/pion/stun/security/advisories/GHSA-34rh-wp3j-6cxc"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54909"},{"type":"FIX","url":"https://github.com/pion/stun/commit/fa9f074a33a8059c76c960b1fbee39f308002423"},{"type":"FIX","url":"https://github.com/pion/stun/pull/278"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/pion/stun","events":[{"introduced":"0"},{"fixed":"fa9f074a33a8059c76c960b1fbee39f308002423"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"3.1.3"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["v3.1.2","v3.1.1","v3.1.0","v3.0.2","v3.0.1","v2.0.1","v0.6.1","v3.0.0","v2.0.0","v0.6.0","v0.5.2","v0.5.1","v0.5.0","v0.4.0","v0.3.5","v0.3.4","v0.3.3","v0.3.2","v0.3.1","v0.3.0","v0.2.2","v0.2.1","v0.2.0","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-54909.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}