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Advisory record · GHSA-r6fj-869h-4f6q

OHttpVersionChunkDraft: Missing Final-Chunk Enforcement Leads to Undetected Stream Truncation

CVSS 6.6 MediumEPSS 0.0017 · 6th percentile

Published by the GitHub Advisory Database at 23 Jun 2026, 21:59 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
io.netty.incubator:netty-incubator-codec-ohttpMaven<0.0.22.Final0.0.22.Final
Identifiers
GHSA-r6fj-869h-4f6q · CVE-2026-48480
Weakness (CWE)
CWE-325
Tags
Published
23 Jun 2026
Updated
23 Jun 2026

Machine-written summary

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

netty-incubator-codec-ohttp versions before 0.0.22.Final do not confirm that the signed final chunk arrived before an OHTTP body ends. An on-path party, such as the relay or a man-in-the-middle on the transport, can truncate a message at a non-final chunk, and the receiver sees no error. Upgrade to 0.0.22.Final.

Written 3 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
6.6 Medium 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0017, the 6th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:20 UTC First seen by agentprime
  2. 31 Oct 2026, 14:20 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.