No exploitation reportedFix available

CVE-2019-10079

Q: Is CVE-2019-10079 actively exploited?

Active exploitation of CVE-2019-10079 has not been confirmed. Its EPSS score was 4.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2019-10079?

CVE-2019-10079 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

No exploitation reported by the sources we read.

Published2019-10-22
Fixed in8.0.4 · 7.1.7
WeaknessCWE-770

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2019-10-2216:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-10079?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-10079?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Apache traffic server

Branch	Affected	Fixed in	Source
8.0	≥ 8.0.0, < 8.0.4	8.0.4	NVD
7.1	< 7.1.7	7.1.7	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Apache traffic server to 8.0.4 · 7.1.7

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.17.5read 2026-10-23
NVDCVSS 2.05read 2026-10-23
NVDweakness (CWE)CWE-770read 2026-10-23
FIRST EPSSEPSS score4.6 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2019-10-22
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2019-10079?

Is CVE-2019-10079 actively exploited?

Active exploitation of CVE-2019-10079 has not been confirmed. Its EPSS score was 4.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-10079?

CVE-2019-10079 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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