Bug 2492873 (CVE-2026-40208) - CVE-2026-40208 dnsdist: denial of service via DoH3 queries
Summary: CVE-2026-40208 dnsdist: denial of service via DoH3 queries
Keywords:
Status: NEW
Alias: CVE-2026-40208
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2493653 2493654
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-06-25 13:01 UTC by OSIDB Bzimport
Modified: 2026-06-26 19:39 UTC (History)
0 users

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-06-25 13:01:18 UTC 
An attacker might be able to delay the processing of DoH3 queries by sending DoH3 GET queries with an invalid DATA frame.
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