CVE-2019-10079

Apache Traffic Server is vulnerable to HTTP/2 setting flood attacks. Earlier versions of Apache...

7.5 HighFix available

Apache Traffic Server is vulnerable to HTTP/2 setting flood attacks. Earlier versions of Apache Traffic Server didn't limit the number of setting frames sent from the client using the HTTP/2 protocol. Users should upgrade to Apache Traffic Server 7.1.7, 8.0.4, or later versions.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

4.56%Up 2.1 points since Apr 14, 2021

What each source reports

NVD Score used 7.5

Record: CVE-2019-10079
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-770
Updated: 2026-11-02

CVE List No score

Record: CVE-2019-10079
Updated: 2026-11-02

EUVDEUVD-2019-2134 No score

Record: EUVD-2019-2134
Updated: 2026-11-03

GitHub AdvisoriesGHSA-gf9c-jvmp-j8cg 7.5

Apache Traffic Server is vulnerable to HTTP/2 setting flood attacks. Earlier versions of Apache...

Record: GHSA-gf9c-jvmp-j8cg
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-20, CWE-770
Updated: 2026-11-02

OSV 7.5

Record: CVE-2019-10079
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2019-10079 7.5

Record: DEBIAN-CVE-2019-10079
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2019-10079 7.5

Record: UBUNTU-CVE-2019-10079
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`trafficserver` Debian:12	before 8.0.5+ds-1	8.0.5+ds-1
`trafficserver` Debian:10	before 8.0.2+ds-1+deb10u1, plus listed versions 8.0.2+ds-1	8.0.2+ds-1+deb10u1
`trafficserver` Ubuntu:16.04:LTS	All versions, plus listed versions 5.3.0-2ubuntu15.3.0-2ubuntu2	None known
`trafficserver` Ubuntu:18.04:LTS	All versions, plus listed versions 7.0.0-57.1.2+ds-27.1.2+ds-2build17.1.2+ds-3	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, products	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-10079 is a high vulnerability (CVSS 7.5) in Apache Traffic Server, published September 9, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.56%, the 91st percentile. Fixed in trafficserver 8.0.5+ds-1.

References

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