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Advisory record · GHSA-mxwc-wh95-pw4g

Trapster Community: Unauthenticated malformed DNS compression pointers crash per-packet honeypot handler

CVSS 5.3 Medium

Published by the GitHub Advisory Database at 8 Jul 2026, 20:24 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
trapsterPyPI<1.2.21.2.2
Identifiers
GHSA-mxwc-wh95-pw4g
Weakness (CWE)
CWE-674
Tags
Published
8 Jul 2026
Updated
6 Nov 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

GHSA-mxwc-wh95-pw4g affects the trapster package (PyPI) at versions up to and including 1.2.0, with no fixed version listed. In the DNS honeypot module, malformed DNS name compression pointers in a single unauthenticated UDP packet cause unbounded recursion and an unhandled RecursionError, which can be repeatedly triggered to degrade availability through CPU use and log flooding. The source describes an availability impact only, with no code execution or information disclosure.

Written 6 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.3 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS No score.

Timeline

  1. 8 Jul 2026, 20:24 UTC Confirmed by GitHub Advisory Database
  2. 31 Oct 2026, 15:05 UTC First seen by agentprime
  3. 31 Oct 2026, 15:05 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.