CVE-2019-9513
HIGHSwiftNIO 1.0.0-1.3.9 - Denial of Service via HTTP/2 Priority Tree Manipulation
Title source: llmDescription
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.
References (42)
Core 42
Core References
Third Party Advisory, US Government Resource third-party-advisory
x_refsource_cert-vn
https://kb.cert.org/vuls/id/605641/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4099-1/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TAZZEVTCN2B4WT6AIBJ7XGYJMBTORJU5/
Mailing List, Third Party Advisory mailing-list
x_refsource_bugtraq
https://seclists.org/bugtraq/2019/Aug/40
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LZLUYPYY3RX4ZJDWZRJIKSULYRJ4PXW7/
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2019/dsa-4505
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CMNFX5MNYRWWIMO4BTKYQCGUDMHO3AXP/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZQGHE3WTYLYAYJEIDJVF2FIGQTAYPMC/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JUBYAF6ED3O4XCHQ5C2HYENJLXYXZC4M/
Mailing List, Third Party Advisory mailing-list
x_refsource_bugtraq
https://seclists.org/bugtraq/2019/Sep/1
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2019/dsa-4511
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/POPAEC4FWL4UU4LDEGPY5NPALU24FFQD/
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2692
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00032.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00031.html
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2745
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2746
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2775
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2799
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2925
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2939
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2949
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00003.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00005.html
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2955
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2966
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00014.html
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:3041
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:3933
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:3935
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:3932
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2020/dsa-4669
Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpuoct2020.html
Third Party Advisory x_refsource_misc
https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md
Third Party Advisory x_refsource_confirm
https://www.synology.com/security/advisory/Synology_SA_19_33
Third Party Advisory x_refsource_confirm
https://support.f5.com/csp/article/K02591030
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20190823-0002/
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20190823-0005/
Third Party Advisory x_refsource_confirm
https://kc.mcafee.com/corporate/index?page=content&id=SB10296
Vendor Advisory x_refsource_confirm
https://support.f5.com/csp/article/K02591030?utm_source=f5support&%3Butm_medium=RSS
Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujan2021.html
Scores
CVSS v3
7.5
EPSS
0.0670
EPSS Percentile
91.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-400
Status
published
Products (28)
apache/traffic_server
6.0.0 - 6.2.3
apple/swiftnio
1.0.0 - 1.4.0
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
19.04
debian/debian_linux
9.0
debian/debian_linux
10.0
f5/nginx
1.9.5 - 1.16.1
fedoraproject/fedora
30
fedoraproject/fedora
29
... and 18 more
Published
Aug 13, 2019
Tracked Since
Feb 18, 2026