{"id":"JLSEC-2026-1198","summary":"An issue in curl’s QUIC UDP receive function allows a malicious HTTP/3 server to trigger a remote...","details":"An issue in curl’s QUIC UDP receive function allows a malicious HTTP/3 server\nto trigger a remote denial of service against a curl or libcurl client.\nBecause the helper function discards zero-length UDP datagrams before counting\nthem toward the per-call packet budget, a connected QUIC peer can continuously\nstream empty datagrams to indefinitely stall the client.","modified":"2026-08-07T20:29:11.035974738Z","published":"2026-08-07T20:11:58.984Z","upstream":["CVE-2026-11352","EUVD-2026-41498","GHSA-qxwx-hr5v-h5q4"],"database_specific":{"sources":[{"published":"2026-07-03T07:16:23.693Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-11352","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-11352","database_specific":{"status":"Analyzed"},"id":"CVE-2026-11352","imported":"2026-08-07T19:54:38.743Z","modified":"2026-07-07T18:01:19.013Z"},{"modified":"2026-07-07T18:31:40Z","published":"2026-07-03T09:31:24Z","url":"https://api.github.com/advisories/GHSA-qxwx-hr5v-h5q4","html_url":"https://github.com/advisories/GHSA-qxwx-hr5v-h5q4","id":"GHSA-qxwx-hr5v-h5q4","imported":"2026-08-07T19:56:06.673Z"},{"imported":"2026-08-07T19:54:48.875Z","modified":"2026-07-06T18:27:49Z","published":"2026-07-03T06:12:10Z","url":"https://euvdservices.enisa.europa.eu/api/enisaid?id=EUVD-2026-41498","html_url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-41498","id":"EUVD-2026-41498"}],"license":"CC-BY-4.0"},"references":[{"type":"WEB","url":"https://curl.se/docs/CVE-2026-11352.html"},{"type":"WEB","url":"https://curl.se/docs/CVE-2026-11352.json"},{"type":"WEB","url":"https://github.com/advisories/GHSA-qxwx-hr5v-h5q4"},{"type":"WEB","url":"https://hackerone.com/reports/3783438"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-11352"}],"affected":[{"package":{"name":"CURL_jll","ecosystem":"Julia","purl":"pkg:julia/CURL_jll?uuid=b21e61f3-bafc-59ac-ab14-4c5c62d6588d"},"ranges":[{"type":"SEMVER","events":[{"introduced":"8.20.0+0"},{"fixed":"8.21.0+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1198.json"}},{"package":{"name":"LibCURL_jll","ecosystem":"Julia","purl":"pkg:julia/LibCURL_jll?uuid=deac9b47-8bc7-5906-a0fe-35ac56dc84c0"},"ranges":[{"type":"SEMVER","events":[{"introduced":"8.18.0+0"},{"fixed":"8.21.0+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1198.json"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}