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High7.5Apache Software Foundation

High [CVE-2026-59173] Uncontrolled Resource Consumption vulnerability in Apache Traffic Server

This high-severity Apache Software Foundation advisory covers CVE-2026-59173 affecting Apache Traffic Server.

CVE-2026-59173 Published Jul 18, 2026Updated by vendor Jul 20, 2026
Affected products & platforms
Apache Software FoundationInfra & Gateways
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Summary

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.

Affected versions
  • 9.0.0 through 9.1.13
  • 10.0.0 through 10.1.2.
  • through 10.1.2

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • 9.1.14
  • 10.1.3

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Users are recommended to upgrade to version 9.1.14 or 10.1.3, which fixes the issue.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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