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Advisory record · GHSA-v682-8vv8-vpwr

Denial of Service via incomplete cleanup vulnerability in Apache Tomcat

CVSS 6.3 MediumEPSS 0.023 · 83rd percentile

Published by the GitHub Advisory Database at 13 Mar 2024, 18:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.apache.tomcat:tomcat-websocketMaven>=11.0.0-M1, <11.0.0-M17 || >=10.1.0-M1, <10.1.19 || >=9.0.0-M1, <9.0.86 || >=8.5.0, <8.5.9911.0.0-M17, 10.1.19, 9.0.86, 8.5.99
org.apache.tomcat.embed:tomcat-embed-websocketMaven>=11.0.0-M1, <11.0.0-M17 || >=10.1.0-M1, <10.1.19 || >=9.0.0-M1, <9.0.86 || >=8.5.0, <8.5.9911.0.0-M17, 10.1.19, 9.0.86, 8.5.99
Identifiers
GHSA-v682-8vv8-vpwr · BIT-tomcat-2024-23672 · CVE-2024-23672
Weakness (CWE)
CWE-459
Tags
Published
13 Mar 2024
Updated
13 Aug 2026

Machine-written summary

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

Apache Tomcat's tomcat-websocket and tomcat-embed-websocket packages are affected in versions from 11.0.0-M1 through 11.0.0-M16, 10.1.0-M1 through 10.1.18, 9.0.0-M1 through 9.0.85, and 8.5.0 through 8.5.98. A WebSocket client can keep connections open, increasing resource consumption and enabling denial of service. Upgrade to 11.0.0-M17, 10.1.19, 9.0.86, or 8.5.99. Older, end-of-life versions may also be affected.

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
6.3 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS 0.023, the 83rd percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:19 UTC First seen by agentprime
  2. 31 Oct 2026, 14:19 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.