CVE-2026-111805
Received Received - Intake

HTTP/2 Worker Pool Exhaustion in Apache Traffic Server

Publication date: 2026-10-21

Last updated on: 2026-10-21

Assigner: Apache Software Foundation

Description
Apache Traffic Server can be used to exhaust an HTTP/1.1 origin's worker pool via a truncated HTTP/2 Content-Length value. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.15, from 10.0.0 through 10.1.4, 10.2.0. Users are recommended to upgrade to version 9.2.16, 10.1.5, or 10.2.1, which fix the issue.

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Meta Information

Published
2026-10-21
Last Modified
2026-10-21
Generated
2026-10-22
EPSS Evaluated
N/A
NVD
CVE-2026-111805
EUVD
EUVD-2026-107497

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
Apache Software Foundation Apache Traffic Server 8.0.0
Apache Software Foundation Apache Traffic Server 9.0.0
Apache Software Foundation Apache Traffic Server 10.0.0
Apache Software Foundation Apache Traffic Server 10.2.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-400 The product does not properly control the allocation and maintenance of a limited resource.

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