Bug 2460638 (CVE-2026-33596) - CVE-2026-33596 dnsdist: TCP backend stream ID overflow
Summary: CVE-2026-33596 dnsdist: TCP backend stream ID overflow
Keywords:
Status: NEW
Alias: CVE-2026-33596
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2460834 2460835
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-22 15:02 UTC by OSIDB Bzimport
Modified: 2026-04-22 18:43 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
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Description OSIDB Bzimport 2026-04-22 15:02:20 UTC 
A client might theoretically be able to cause a mismatch between queries sent to a backend and the received responses by sending a flood of perfectly timed queries that are routed to a TCP-only or DNS over TLS backend.
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