{"api_version":"1","generated_at":"2026-04-23T00:39:43+00:00","cve":"CVE-2019-9517","urls":{"html":"https://cve.report/CVE-2019-9517","api":"https://cve.report/api/cve/CVE-2019-9517.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2019-9517","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-9517"},"summary":{"title":"CVE-2019-9517","description":"Some HTTP/2 implementations are vulnerable to unconstrained interal data buffering, potentially leading to a denial of service. The attacker opens the HTTP/2 window so the peer can send without constraint; however, they leave the TCP window closed so the peer cannot actually write (many of) the bytes on the wire. The attacker then sends a stream of requests for a large response object. Depending on how the servers queue the responses, this can consume excess memory, CPU, or both.","state":"PUBLIC","assigner":"cert@cert.org","published_at":"2019-08-13 21:15:00","updated_at":"2023-11-07 03:13:00"},"problem_types":["CWE-770"],"metrics":[],"references":[{"url":"https://access.redhat.com/errata/RHSA-2019:3935","name":"RHSA-2019:3935","refsource":"REDHAT","tags":["Third Party Advisory"],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.apache.org/thread.html/r3c5c3104813c1c5508b55564b66546933079250a46ce50eee90b2e36%40%3Ccvs.httpd.apache.org%3E","name":"[httpd-cvs] 20210330 svn commit: r1073149 [13/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/","refsource":"","tags":[],"title":"Pony 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