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Details of issue NIXPKGS-2026-1228

NIXPKGS-2026-1228
published on
Permalink CVE-2026-33599
3.1 LOW
  • CVSS version: 3.1
  • Attack vector (AV): ADJACENT_NETWORK
  • Attack complexity (AC): HIGH
  • Privileges required (PR): NONE
  • User interaction (UI): NONE
  • Scope (S): UNCHANGED
  • Confidentiality impact (C): NONE
  • Integrity impact (I): NONE
  • Availability impact (A): LOW
updated 6 days, 11 hours ago by @LeSuisse Activity log
  • Created suggestion 6 days, 17 hours ago
  • @LeSuisse accepted 6 days, 11 hours ago
  • @LeSuisse published on GitHub 6 days, 11 hours ago
Out-of-bounds read in service discovery

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.

Affected products

dnsdist
  • <1.9.13
  • <2.0.4

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