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Advisory record · GHSA-mmwx-rj87-vfgr

DNSJava affected by KeyTrap - NSEC3 closest encloser proof can exhaust CPU resources

CVSS 6.5 Medium

Published by the GitHub Advisory Database at 22 Jul 2024, 14:46 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
dnsjava:dnsjavaMaven>=3.5.0, <3.6.03.6.0
org.jitsi:dnssecjavaMaven<=2.0.0No fixed version yet
Identifiers
GHSA-mmwx-rj87-vfgr
Weakness (CWE)
CWE-400
Tags
Published
22 Jul 2024
Updated
10 Sept 2026

Machine-written summary

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

Two Maven packages are affected. dnsjava:dnsjava versions 3.5.0 up to but not including 3.6.0 can suffer CPU exhaustion when its ValidatingResolver performs DNSSEC validation on specially crafted DNSSEC-signed zones. Users should upgrade to dnsjava 3.6.0. The org.jitsi:dnssecjava package, versions 2.0.0 and earlier, is also listed as affected, but no fixed version is listed for it.

Written 2 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
6.5 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS No score.

Timeline

  1. 31 Oct 2026, 14:17 UTC First seen by agentprime
  2. 31 Oct 2026, 14:17 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.