{"cve":"CVE-2026-54909","nvd":{"published":"2026-07-31T23:17:25.433","modified":"2026-10-23T23:10:00.157","status":"Awaiting Analysis","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3},"cwes":["CWE-20"],"references":["https://github.com/pion/stun/commit/fa9f074a33a8059c76c960b1fbee39f308002423","https://github.com/pion/stun/pull/278","https://github.com/pion/stun/releases/tag/v3.1.3","https://github.com/pion/stun/security/advisories/GHSA-34rh-wp3j-6cxc"],"products":[],"source":"nvd","synced_at":"2026-10-24T16:53:34.184483516+00:00"},"epss":{"cve":"CVE-2026-54909","score":0.00644,"percentile":0.50603,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-34rh-wp3j-6cxc","url":"https://osv.dev/vulnerability/GHSA-34rh-wp3j-6cxc","summary":"Pion STUN vulnerable to remote denial of service via panic while parsing a malformed XOR-MAPPED-ADDRESS attribute","modified":"2026-09-10T03:50:51.344851444Z","packages":[{"ecosystem":"Go","name":"github.com/pion/stun/v3","purl":"pkg:golang/github.com/pion/stun/v3","ranges":["<3.1.5"],"fixed":["3.1.5"]},{"ecosystem":"Go","name":"github.com/pion/stun/v2","purl":"pkg:golang/github.com/pion/stun/v2","ranges":["<=2.0.0"],"fixed":[]},{"ecosystem":"Go","name":"github.com/pion/stun","purl":"pkg:golang/github.com/pion/stun","ranges":["<=1.23.1"],"fixed":[]}]},{"id":"GO-2026-6163","url":"https://osv.dev/vulnerability/GO-2026-6163","summary":"Panic on malformed XOR-MAPPED-ADDRESS attribute in github.com/pion/stun/v3","modified":"2026-09-01T03:55:58.536381678Z","packages":[{"ecosystem":"Go","name":"github.com/pion/stun/v3","purl":"pkg:golang/github.com/pion/stun/v3","ranges":["<3.1.5"],"fixed":["3.1.5"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}