Loading HuntDB...
Hunt
Vulnerability Intelligence by wss.sh
Home Daily Briefings High Impact CVEs Recent Exploits KEV Catalog GitHub Advisories Latest Updates Security News
Sign In Sign Up

CVE-2019-9513

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

Expert Analysis

Professional remediation guidance

Get tailored security recommendations from our analyst team for CVE-2019-9513. We'll provide specific mitigation strategies based on your environment and risk profile.

CVSS Score

V3.0
7.5
/10
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.044
probability
of exploitation in the wild

There is a 4.4% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.884
Higher than 88.4% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-3p35-64mh-v96v

Advisory Details

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.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2019-9513
WEB https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TAZZEVTCN2B4WT6AIBJ7XGYJMBTORJU5
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/4ZQGHE3WTYLYAYJEIDJVF2FIGQTAYPMC
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/CMNFX5MNYRWWIMO4BTKYQCGUDMHO3AXP
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/JUBYAF6ED3O4XCHQ5C2HYENJLXYXZC4M
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/LZLUYPYY3RX4ZJDWZRJIKSULYRJ4PXW7
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/POPAEC4FWL4UU4LDEGPY5NPALU24FFQD
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/TAZZEVTCN2B4WT6AIBJ7XGYJMBTORJU5
WEB https://seclists.org/bugtraq/2019/Aug/40
WEB https://seclists.org/bugtraq/2019/Sep/1
WEB https://security.netapp.com/advisory/ntap-20190823-0002
WEB https://security.netapp.com/advisory/ntap-20190823-0005
WEB https://support.f5.com/csp/article/K02591030
WEB https://support.f5.com/csp/article/K02591030?utm_source=f5support&amp%3Butm_medium=RSS
WEB https://support.f5.com/csp/article/K02591030?utm_source=f5support&utm_medium=RSS
WEB https://usn.ubuntu.com/4099-1
WEB https://www.debian.org/security/2019/dsa-4505
WEB https://www.debian.org/security/2019/dsa-4511
WEB https://www.debian.org/security/2020/dsa-4669
WEB https://www.oracle.com/security-alerts/cpujan2021.html
WEB https://www.oracle.com/security-alerts/cpuoct2020.html
WEB https://www.synology.com/security/advisory/Synology_SA_19_33
WEB https://access.redhat.com/errata/RHSA-2019:2692
WEB https://access.redhat.com/errata/RHSA-2019:2745
WEB https://access.redhat.com/errata/RHSA-2019:2746
WEB https://access.redhat.com/errata/RHSA-2019:2775
WEB https://access.redhat.com/errata/RHSA-2019:2799
WEB https://access.redhat.com/errata/RHSA-2019:2925
WEB https://access.redhat.com/errata/RHSA-2019:2939
WEB https://access.redhat.com/errata/RHSA-2019:2949
WEB https://access.redhat.com/errata/RHSA-2019:2955
WEB https://access.redhat.com/errata/RHSA-2019:2966
WEB https://access.redhat.com/errata/RHSA-2019:3041
WEB https://access.redhat.com/errata/RHSA-2019:3932
WEB https://access.redhat.com/errata/RHSA-2019:3933
WEB https://access.redhat.com/errata/RHSA-2019:3935
WEB https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md
WEB https://kb.cert.org/vuls/id/605641
WEB https://kc.mcafee.com/corporate/index?page=content&id=SB10296
WEB https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZQGHE3WTYLYAYJEIDJVF2FIGQTAYPMC
WEB https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CMNFX5MNYRWWIMO4BTKYQCGUDMHO3AXP
WEB https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JUBYAF6ED3O4XCHQ5C2HYENJLXYXZC4M
WEB https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LZLUYPYY3RX4ZJDWZRJIKSULYRJ4PXW7
WEB https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/POPAEC4FWL4UU4LDEGPY5NPALU24FFQD
WEB http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00031.html
WEB http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00032.html
WEB http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html
WEB http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00003.html
WEB http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00005.html
WEB http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00014.html

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: January 14, 2025

References

https://kb.cert.org/vuls/id/605641/
https://usn.ubuntu.com/4099-1/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TAZZEVTCN2B4WT6AIBJ7XGYJMBTORJU5/
https://seclists.org/bugtraq/2019/Aug/40
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LZLUYPYY3RX4ZJDWZRJIKSULYRJ4PXW7/
https://www.debian.org/security/2019/dsa-4505
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CMNFX5MNYRWWIMO4BTKYQCGUDMHO3AXP/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZQGHE3WTYLYAYJEIDJVF2FIGQTAYPMC/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JUBYAF6ED3O4XCHQ5C2HYENJLXYXZC4M/
https://seclists.org/bugtraq/2019/Sep/1
https://www.debian.org/security/2019/dsa-4511
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/POPAEC4FWL4UU4LDEGPY5NPALU24FFQD/
https://access.redhat.com/errata/RHSA-2019:2692
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00032.html
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00031.html
https://access.redhat.com/errata/RHSA-2019:2745
https://access.redhat.com/errata/RHSA-2019:2746
https://access.redhat.com/errata/RHSA-2019:2775
https://access.redhat.com/errata/RHSA-2019:2799
https://access.redhat.com/errata/RHSA-2019:2925
https://access.redhat.com/errata/RHSA-2019:2939
https://access.redhat.com/errata/RHSA-2019:2949
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00003.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00005.html
https://access.redhat.com/errata/RHSA-2019:2955
https://access.redhat.com/errata/RHSA-2019:2966
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00014.html
https://access.redhat.com/errata/RHSA-2019:3041
https://access.redhat.com/errata/RHSA-2019:3933
https://access.redhat.com/errata/RHSA-2019:3935
https://access.redhat.com/errata/RHSA-2019:3932
https://www.debian.org/security/2020/dsa-4669
https://www.oracle.com/security-alerts/cpuoct2020.html
https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md
https://www.synology.com/security/advisory/Synology_SA_19_33
https://support.f5.com/csp/article/K02591030
https://security.netapp.com/advisory/ntap-20190823-0002/
https://security.netapp.com/advisory/ntap-20190823-0005/
https://kc.mcafee.com/corporate/index?page=content&id=SB10296
https://support.f5.com/csp/article/K02591030?utm_source=f5support&amp%3Butm_medium=RSS
https://www.oracle.com/security-alerts/cpujan2021.html

HackerOne Reports

Nginx version is disclosed in HTTP response None
hckit_02
Localize
Uncontrolled Resource Consumption
View Report
Integer Overflow Risk in HTTP/2 Proxy Window Size Calculations Medium
extramayoextracheeseextrafries
curl
Integer Overflow
View Report
Published: 2019-08-13T20:50:59
Last Modified: 2024-08-04T21:54:44.842Z
Copied to clipboard!