CVE-2019-9513

highpriority · attend · 59EPSS 0.816 · 100 %ileDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

81.6% (100th) EPSS

CVSS 7.8 · high

Is it mine?

79 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 10 · impact 6.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · cret@cert.org USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USCWE-400US

affected products (79)

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Juniper JUNOSall versionscert_bundDEcpe:/o:juniper:junos:-
Open Source Arch Linuxall versionscert_bundDEcpe:/o:archlinux:archlinux:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
n/a n/a≤ n/aenisa_euvdEU
Apache Software Foundation Traffic Server6.0.0 → 6.2.3fstec_bduRU
Apache Software Foundation Traffic Server7.0.0 → 7.1.6fstec_bduRU
Apache Software Foundation Traffic Server8.0.0 → 8.0.3fstec_bduRU
Fedora Project Fedora≤ 29fstec_bduRU
Fedora Project Fedora≤ 30fstec_bduRU
Microsoft Corp Windows 10all versionsfstec_bduRU
Microsoft Corp Windows 10 1607all versionsfstec_bduRU
Microsoft Corp Windows 10 1703all versionsfstec_bduRU
Microsoft Corp Windows 10 1709all versionsfstec_bduRU
Microsoft Corp Windows 10 1803all versionsfstec_bduRU
Microsoft Corp Windows 10 1809all versionsfstec_bduRU
Microsoft Corp Windows 10 1903all versionsfstec_bduRU

showing 20 of 79

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-1050nginx: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2019-08-14csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in nginx ausnutzen, um einen Denial of Service Angriff durchzuführen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2019-08-13modified 2026-06-17

references (191)

External citations — patches, advisories, analysis.

scry

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