CVE-2026-59173
Apache Traffic Server: DoS vulnerability in HTTP/2 via stalled flow-control conditions
- State
- Published
- Severity
- 7.5 High
- Published
- Jul 18, 2026
- Updated
- Jul 20, 2026
- Reserved
- Jul 2, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | CISA-ADP |
Weaknesses
- CWE-400 Uncontrolled Resource Consumption
Affected Products
| Product | Versions |
|---|---|
Apache Traffic ServerApache Software Foundation |
|
References
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