Bug 2558492 (CVE-2026-111805) - CVE-2026-111805 trafficserver: Apache Traffic Server: Denial of Service via truncated HTTP/2 Content-Length header
Summary: CVE-2026-111805 trafficserver: Apache Traffic Server: Denial of Service via t...
Keywords:
Status: NEW
Alias: CVE-2026-111805
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2562343 2562347
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-21 19:22 UTC by OSIDB Bzimport
Modified: 2026-10-27 19:30 UTC (History)
0 users

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-10-21 19:22:11 UTC 
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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