Bug 2460651 (CVE-2026-33599) - CVE-2026-33599 dnsdist: out-of-bounds read in service discovery
Summary: CVE-2026-33599 dnsdist: out-of-bounds read in service discovery
Keywords:
Status: NEW
Alias: CVE-2026-33599
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: 2460836 2460837
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-22 15:03 UTC by OSIDB Bzimport
Modified: 2026-04-22 18:44 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
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Description OSIDB Bzimport 2026-04-22 15:03:10 UTC 
A rogue backend can send a crafted SVCB response to a Discovery of Designated Resolvers request, when requested via either the autoUpgrade (Lua) option to newServer or auto_upgrade (YAML) settings. DDR upgrade is not enabled by default.
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