Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manipulate window size and stream priority to force the server to queue the data in 1-byte chunks. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.
References
Link Providers
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00031.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00032.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00003.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00005.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00014.html cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2692 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2745 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2746 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2775 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2799 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2925 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2939 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2949 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2955 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2966 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:3041 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:3932 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:3933 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:3935 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:4018 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:4019 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:4020 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:4021 cve-icon cve-icon
https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md cve-icon cve-icon cve-icon
https://kb.cert.org/vuls/id/605641/ cve-icon cve-icon cve-icon
https://kc.mcafee.com/corporate/index?page=content&id=SB10296 cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BP556LEG3WENHZI5TAQ6ZEBFTJB4E2IS/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JUBYAF6ED3O4XCHQ5C2HYENJLXYXZC4M/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LZLUYPYY3RX4ZJDWZRJIKSULYRJ4PXW7/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/POPAEC4FWL4UU4LDEGPY5NPALU24FFQD/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TAZZEVTCN2B4WT6AIBJ7XGYJMBTORJU5/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XHTKU7YQ5EEP2XNSAV4M4VJ7QCBOJMOD/ cve-icon cve-icon
https://nodejs.org/en/blog/vulnerability/aug-2019-security-releases/ cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2019-9511 cve-icon
https://seclists.org/bugtraq/2019/Aug/40 cve-icon cve-icon
https://seclists.org/bugtraq/2019/Sep/1 cve-icon cve-icon
https://security.netapp.com/advisory/ntap-20190823-0002/ cve-icon cve-icon
https://security.netapp.com/advisory/ntap-20190823-0005/ cve-icon cve-icon
https://support.f5.com/csp/article/K02591030 cve-icon cve-icon
https://support.f5.com/csp/article/K02591030?utm_source=f5support&amp%3Butm_medium=RSS cve-icon cve-icon
https://usn.ubuntu.com/4099-1/ cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2019-9511 cve-icon
https://www.debian.org/security/2019/dsa-4505 cve-icon cve-icon
https://www.debian.org/security/2019/dsa-4511 cve-icon cve-icon
https://www.debian.org/security/2020/dsa-4669 cve-icon cve-icon
https://www.nginx.com/blog/nginx-updates-mitigate-august-2019-http-2-vulnerabilities/ cve-icon
https://www.oracle.com/security-alerts/cpujan2021.html cve-icon cve-icon
https://www.oracle.com/security-alerts/cpuoct2020.html cve-icon cve-icon
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html cve-icon cve-icon
https://www.synology.com/security/advisory/Synology_SA_19_33 cve-icon cve-icon
History

Mon, 26 Aug 2024 18:00:00 +0000

Type Values Removed Values Added
First Time appeared Redhat jboss Enterprise Application Platform Eus
CPEs cpe:/a:redhat:jboss_enterprise_application_platform_eus:7.1::el7
Vendors & Products Redhat jboss Enterprise Application Platform Eus

cve-icon MITRE

Status: PUBLISHED

Assigner: certcc

Published: 2019-08-13T20:50:59

Updated: 2024-08-04T21:54:44.157Z

Reserved: 2019-03-01T00:00:00

Link: CVE-2019-9511

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-08-13T21:15:12.223

Modified: 2024-11-21T04:51:45.930

Link: CVE-2019-9511

cve-icon Redhat

Severity : Important

Publid Date: 2019-08-13T00:00:00Z

Links: CVE-2019-9511 - Bugzilla