{"id":"GO-2026-4483","summary":"webtransport-go: Memory Exhaustion Attack due to Missing Cleanup of Streams Map in github.com/quic-go/webtransport-go","details":"webtransport-go: Memory Exhaustion Attack due to Missing Cleanup of Streams Map in github.com/quic-go/webtransport-go","aliases":["CVE-2026-21438","GHSA-2f2x-8mwp-p2gc"],"modified":"2026-03-17T05:07:51.923051Z","published":"2026-02-17T18:09:06Z","related":["CGA-997m-fc67-hm44"],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-4483","review_status":"UNREVIEWED"},"references":[{"type":"ADVISORY","url":"https://github.com/quic-go/webtransport-go/security/advisories/GHSA-2f2x-8mwp-p2gc"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21438"},{"type":"WEB","url":"https://github.com/quic-go/webtransport-go/releases/tag/v0.10.0"}],"affected":[{"package":{"name":"github.com/quic-go/webtransport-go","ecosystem":"Go","purl":"pkg:golang/github.com/quic-go/webtransport-go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.10.0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-4483.json"}}],"schema_version":"1.7.5"}