Bug 2504266 (CVE-2026-11605) - CVE-2026-11605 bind: bind9: Unnecessary validation of DNSSEC signed records
Summary: CVE-2026-11605 bind: bind9: Unnecessary validation of DNSSEC signed records
Keywords:
Status: NEW
Alias: CVE-2026-11605
Deadline: 2026-07-22
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:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-07-21 20:06 UTC by OSIDB Bzimport
Modified: 2026-08-31 13:31 UTC (History)
18 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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Description OSIDB Bzimport 2026-07-21 20:06:37 UTC 
BIND validates ALL RRSIG records in an answer even when not needed.
  An authoritative server returning many valid but superfluous RRSIGs
  causes disproportionate CPU consumption on the resolver.
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