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Advisory record · GHSA-57m8-f3v5-hm5m Withdrawn

Withdrawn Advisory: Netty-handler does not validate host names by default

CVSS 7.4 HighEPSS 0.0055 · 46th percentile

Withdrawn. the GitHub Advisory Database withdrew this advisory on 1 Nov 2023. The record stays here, marked withdrawn.

Published by the GitHub Advisory Database at 4 Oct 2023, 12:30 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
io.netty:netty-handlerMaven>=4.1.0.Final, <=4.1.99.FinalNo fixed version yet
Identifiers
GHSA-57m8-f3v5-hm5m · CVE-2023-4586
Weakness (CWE)
CWE-20 · CWE-295
Tags
Published
4 Oct 2023
Updated
10 Sept 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
7.4 High 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N CNA (redhat)
  • CISA KEV Not listed.
  • EPSS 0.0055, the 46th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:18 UTC First seen by agentprime
  2. 31 Oct 2026, 14:18 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.