CVE-2026-59173
highpriority · track · 0EPSS 0.007 · 54 %ileDEEUUSEPSS · scored 2026-10-24
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (9)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-2388HTTP/2 Server: Schwachstelle ermöglicht Denial of ServiceDeutsch2026-07-16csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in verschiedenen HTTP/2 Server Implementierungen wie dem Apache Traffic Server ausnutzen, um einen Denial of Service Angriff durchzuführen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (5)
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2026/07/17/5cnnvd
- https://lists.apache.org/thread/lhlbhphmv5dsfgx1fx84mgonzbocpzhdcnnvd
- https://lists.apache.org/thread/lhlbhphmv5dsfgx1fx84mgonzbocpzhdenisa_euvd
- http://www.openwall.com/lists/oss-security/2026/07/17/5Mailing ListThird Party Advisorynvd
- https://lists.apache.org/thread/lhlbhphmv5dsfgx1fx84mgonzbocpzhdMailing ListVendor Advisorynvd
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