Nixpkgs security tracker

Login with GitHub

Details of issue NIXPKGS-2026-1230

NIXPKGS-2026-1230
published on
Permalink CVE-2026-33596
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
TCP backend stream ID overflow

A client might theoretically be able to cause a mismatch between queries sent to a backend and the received responses by sending a flood of perfectly timed queries that are routed to a TCP-only or DNS over TLS backend.

Affected products

dnsdist
  • <1.9.13
  • <2.0.4

Matching in nixpkgs

Package maintainers