CVE ID:	CVE-2019-9513
Description:	Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service. The attacker creates multiple request streams and continually shuffles the priority of the streams in a way that causes substantial churn to the priority tree. This can consume excess CPU.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2019-9513 Bugtraq: 20190822 [SECURITY] [DSA 4505-1] nginx security update (Google Search) https://seclists.org/bugtraq/2019/Aug/40 Bugtraq: 20190902 [SECURITY] [DSA 4511-1] nghttp2 security update (Google Search) https://seclists.org/bugtraq/2019/Sep/1 CERT/CC vulnerability note: VU#605641 https://kb.cert.org/vuls/id/605641/ https://kc.mcafee.com/corporate/index?page=content&id=SB10296 https://security.netapp.com/advisory/ntap-20190823-0002/ https://security.netapp.com/advisory/ntap-20190823-0005/ https://support.f5.com/csp/article/K02591030 https://support.f5.com/csp/article/K02591030?utm_source=f5support&utm_medium=RSS https://www.synology.com/security/advisory/Synology_SA_19_33 Debian Security Information: DSA-4505 (Google Search) https://www.debian.org/security/2019/dsa-4505 Debian Security Information: DSA-4511 (Google Search) https://www.debian.org/security/2019/dsa-4511 Debian Security Information: DSA-4669 (Google Search) https://www.debian.org/security/2020/dsa-4669 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CMNFX5MNYRWWIMO4BTKYQCGUDMHO3AXP/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4ZQGHE3WTYLYAYJEIDJVF2FIGQTAYPMC/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/POPAEC4FWL4UU4LDEGPY5NPALU24FFQD/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LZLUYPYY3RX4ZJDWZRJIKSULYRJ4PXW7/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JUBYAF6ED3O4XCHQ5C2HYENJLXYXZC4M/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TAZZEVTCN2B4WT6AIBJ7XGYJMBTORJU5/ https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md https://www.oracle.com/security-alerts/cpujan2021.html https://www.oracle.com/security-alerts/cpujan2021.html https://www.oracle.com/security-alerts/cpuoct2020.html https://www.oracle.com/security-alerts/cpuoct2020.html RedHat Security Advisories: RHSA-2019:2692 https://access.redhat.com/errata/RHSA-2019:2692 RedHat Security Advisories: RHSA-2019:2745 https://access.redhat.com/errata/RHSA-2019:2745 RedHat Security Advisories: RHSA-2019:2746 https://access.redhat.com/errata/RHSA-2019:2746 RedHat Security Advisories: RHSA-2019:2775 https://access.redhat.com/errata/RHSA-2019:2775 RedHat Security Advisories: RHSA-2019:2799 https://access.redhat.com/errata/RHSA-2019:2799 RedHat Security Advisories: RHSA-2019:2925 https://access.redhat.com/errata/RHSA-2019:2925 RedHat Security Advisories: RHSA-2019:2939 https://access.redhat.com/errata/RHSA-2019:2939 RedHat Security Advisories: RHSA-2019:2949 https://access.redhat.com/errata/RHSA-2019:2949 RedHat Security Advisories: RHSA-2019:2955 https://access.redhat.com/errata/RHSA-2019:2955 RedHat Security Advisories: RHSA-2019:2966 https://access.redhat.com/errata/RHSA-2019:2966 RedHat Security Advisories: RHSA-2019:3041 https://access.redhat.com/errata/RHSA-2019:3041 RedHat Security Advisories: RHSA-2019:3932 https://access.redhat.com/errata/RHSA-2019:3932 RedHat Security Advisories: RHSA-2019:3933 https://access.redhat.com/errata/RHSA-2019:3933 RedHat Security Advisories: RHSA-2019:3935 https://access.redhat.com/errata/RHSA-2019:3935 SuSE Security Announcement: openSUSE-SU-2019:2114 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00032.html SuSE Security Announcement: openSUSE-SU-2019:2115 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00031.html SuSE Security Announcement: openSUSE-SU-2019:2120 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html SuSE Security Announcement: openSUSE-SU-2019:2232 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00003.html SuSE Security Announcement: openSUSE-SU-2019:2234 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00005.html SuSE Security Announcement: openSUSE-SU-2019:2264 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00014.html https://usn.ubuntu.com/4099-1/