CVE-2026-59173

HIGH

Apache Traffic Server HTTP/2 - Resource Consumption Denial of Service

Title source: manual
STIX 2.1

Description

Uncontrolled Resource Consumption vulnerability in Apache Traffic Server. This issue affects Apache Traffic Server: from 9.0.0 through 9.1.13, from 10.0.0 through 10.1.2. Users are recommended to upgrade to version 9.1.14 or 10.1.3, which fixes the issue.

References (2)

Core 2

Scores

CVSS v3 7.5
EPSS 0.0050
EPSS Percentile 40.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (2)
Apache Software Foundation/Apache Traffic Server 10.0.0 - 10.1.2
Apache Software Foundation/Apache Traffic Server 9.0.0 - 9.2.13
Published Jul 18, 2026
Tracked Since Jul 18, 2026