CVE-2019-9512

Some HTTP/2 implementations are vulnerable to ping floods, potentially leading to a denial of service

Description

Some HTTP/2 implementations are vulnerable to ping floods, potentially leading to a denial of service. The attacker sends continual pings to an HTTP/2 peer, causing the peer to build an internal queue of responses. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 26.99% Top 5%
Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://kb.cert.org/vuls/id/605641/ third party advisory us government resource
https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md third party advisory
https://lists.apache.org/thread.html/bde52309316ae798186d783a5e29f4ad1527f61c9219a289d0eee0a7%40%3Cdev.trafficserver.apache.org%3E mailing list
https://lists.apache.org/thread.html/392108390cef48af647a2e47b7fd5380e050e35ae8d1aa2030254c04%40%3Cusers.trafficserver.apache.org%3E mailing list
https://lists.apache.org/thread.html/ad3d01e767199c1aed8033bb6b3f5bf98c011c7c536f07a5d34b3c19%40%3Cannounce.trafficserver.apache.org%3E mailing list
https://seclists.org/bugtraq/2019/Aug/24 third party advisory mailing list
http://seclists.org/fulldisclosure/2019/Aug/16 third party advisory mailing list
https://www.synology.com/security/advisory/Synology_SA_19_33 third party advisory
https://seclists.org/bugtraq/2019/Aug/31 third party advisory mailing list
https://www.debian.org/security/2019/dsa-4503 third party advisory vendor advisory
https://support.f5.com/csp/article/K98053339 third party advisory
http://www.openwall.com/lists/oss-security/2019/08/20/1 third party advisory mailing list
https://security.netapp.com/advisory/ntap-20190823-0001/ third party advisory
https://security.netapp.com/advisory/ntap-20190823-0004/ third party advisory
https://security.netapp.com/advisory/ntap-20190823-0005/ third party advisory
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00076.html mailing list third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CMNFX5MNYRWWIMO4BTKYQCGUDMHO3AXP/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZQGHE3WTYLYAYJEIDJVF2FIGQTAYPMC/ vendor advisory
https://seclists.org/bugtraq/2019/Aug/43 third party advisory mailing list
https://www.debian.org/security/2019/dsa-4508 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00002.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00011.html mailing list third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYO6E3H34C346D2E443GLXK7OK6KIYIQ/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4BBP27PZGSY6OP6D26E5FW4GZKBFHNU7/ vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00021.html mailing list third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:2682 third party advisory vendor advisory
https://www.debian.org/security/2019/dsa-4520 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:2726 third party advisory vendor advisory
https://seclists.org/bugtraq/2019/Sep/18 third party advisory mailing list
https://access.redhat.com/errata/RHSA-2019:2594 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00032.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00031.html mailing list third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:2661 third party advisory vendor advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10296 third party advisory
https://access.redhat.com/errata/RHSA-2019:2690 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:2766 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00038.html mailing list third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:2796 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:2861 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:2925 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:2939 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:2955 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:2966 third party advisory vendor advisory
https://support.f5.com/csp/article/K98053339?utm_source=f5support&%3Butm_medium=RSS
https://access.redhat.com/errata/RHSA-2019:3131 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:2769 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:3245 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:3265 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:3892 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:3906 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:4018 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:4019 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:4021 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:4020 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:4045 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:4042 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:4040 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:4041 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:4269 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:4273 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:4352 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2020:0406 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2020:0727 third party advisory vendor advisory
https://usn.ubuntu.com/4308-1/ third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00011.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2019-9512?
CVE-2019-9512 has been scored as a high severity vulnerability.
How to fix CVE-2019-9512?
To fix CVE-2019-9512, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-9512 being actively exploited in the wild?
It is possible that CVE-2019-9512 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~27% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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