Bug 2453335 (CVE-2026-0396) - CVE-2026-0396 dnsdist: dnsdist: HTML injection via crafted DNS queries
Summary: CVE-2026-0396 dnsdist: dnsdist: HTML injection via crafted DNS queries
Keywords:
Status: NEW
Alias: CVE-2026-0396
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2453422 2453430
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-03-31 12:02 UTC by OSIDB Bzimport
Modified: 2026-03-31 16:22 UTC (History)
0 users

Fixed In Version:
Clone Of:
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Last Closed:
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Description OSIDB Bzimport 2026-03-31 12:02:53 UTC 
An attacker might be able to inject HTML content into the internal web dashboard by sending crafted DNS queries to a DNSdist instance where domain-based dynamic rules have been enabled via either DynBlockRulesGroup:setSuffixMatchRule or DynBlockRulesGroup:setSuffixMatchRuleFFI.
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