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Advisory record · GHSA-g76f-gjfx-4rpr

Vertx gRPC server does not limit the maximum message size

CVSS 6.9 MediumEPSS 0.0058 · 48th percentile

Published by the GitHub Advisory Database at 4 Sept 2024, 18:30 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
io.vertx:vertx-grpc-serverMaven>=4.3.0, <4.5.104.5.10
io.vertx:vertx-grpc-clientMaven>=4.3.0, <4.5.104.5.10
Identifiers
GHSA-g76f-gjfx-4rpr · CVE-2024-8391
Weakness (CWE)
CWE-770
Tags
Published
4 Sept 2024
Updated
4 Sept 2024

Machine-written summary

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

Eclipse Vert.x versions 4.3.0 through 4.5.9 of the io.vertx:vertx-grpc-server and io.vertx:vertx-grpc-client packages do not limit the maximum size of incoming gRPC message payloads. The source does not describe the attacker's required access or the exact impact. Upgrade both packages to 4.5.10. The source says the io.vertx:vertx-grpc package is not affected.

Written 8 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
6.9 Medium 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CNA (eclipse)
  • CISA KEV Not listed.
  • EPSS 0.0058, the 48th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:13 UTC First seen by agentprime
  2. 31 Oct 2026, 15:13 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.