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Vulnerability Details : CVE-2019-9513

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.
Vulnerability category: Denial of service
Published 2019-08-13 21:15:12
Updated 2022-08-12 18:41:09
Source CERT/CC
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2019-9513

Probability of exploitation activity in the next 30 days: 4.84%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 92 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2019-9513

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
7.8
 HIGH AV:N/AC:L/Au:N/C:N/I:N/A:C
10.0
6.9
 [email protected]
7.5
 HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
 [email protected]
7.5
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
 [email protected]

CWE ids for CVE-2019-9513

  • The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
    Assigned by: [email protected] (Secondary)

References for CVE-2019-9513

Products affected by CVE-2019-9513

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