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.
Metrics
Affected Vendors & Products
References
History
Fri, 23 Oct 2026 22:30:00 +0000
| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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Thu, 22 Oct 2026 10:45:00 +0000
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| First Time appeared |
Apache
Apache apache Traffic Server Apache traffic Server Apache Software Foundation Apache Software Foundation apache Traffic Server |
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| Vendors & Products |
Apache
Apache apache Traffic Server Apache traffic Server Apache Software Foundation Apache Software Foundation apache Traffic Server |
Wed, 21 Oct 2026 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Apache Traffic Server: HTTP/2 Content-Length truncation lets a client trigger backend worker-pool exhaustion | |
| Weaknesses | CWE-400 | |
| References |
| |
| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: apache
Published: 2026-10-21T19:10:46.319Z
Updated: 2026-10-23T21:22:42.961Z
Reserved: 2026-10-16T20:16:14.017Z
Link: CVE-2026-111805
Updated: 2026-10-23T20:52:17.395Z
Status : Awaiting Analysis
Published: 2026-10-21T20:17:22.257
Modified: 2026-10-23T22:16:55.533
Link: CVE-2026-111805
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