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CVE-2024-22201: Jetty connection leaking on idle timeout when TCP congested

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-02-26 · updated 2026-06-17
• Weakness: CWE-400

Description

Jetty is a Java based web server and servlet engine. An HTTP/2 SSL connection that is established and TCP congested will be leaked when it times out. An attacker can cause many connections to end up in this state, and the server may run out of file descriptors, eventually causing the server to stop accepting new connections from valid clients. The vulnerability is patched in 9.4.54, 10.0.20, 11.0.20, and 12.0.6.

Affected products

• Debian Linux: 10.0
• The Eclipse Foundation Eclipse Jetty: from 9.3.0 before 9.4.54; from 10.0.0 before 10.0.20; from 11.0.0 before 11.0.20; from 12.0.0 before 12.0.6 — fixed in 10.0.20, 11.0.20, 12.0.6, 9.4.54
• Active IQ Unified Manager for VMware vSphere, Linux, and Microsoft Windows: all versions
• NetApp Bluexp: all versions

How to fix

Upgrade to a fixed version: The Eclipse Foundation Eclipse Jetty 10.0.20, 11.0.20, 12.0.6, 9.4.54. Check the vendor advisory for mitigations.

References

• http://www.openwall.com/lists/oss-security/2024/03/20/2
• https://github.com/jetty/jetty.project/issues/11256
• https://github.com/jetty/jetty.project/security/advisories/GHSA-rggv-cv7r-mw98
• https://lists.debian.org/debian-lts-announce/2024/04/msg00002.html
• https://security.netapp.com/advisory/ntap-20240329-0001/
• http://www.openwall.com/lists/oss-security/2024/03/20/2
• https://github.com/jetty/jetty.project/issues/11256
• https://github.com/jetty/jetty.project/security/advisories/GHSA-rggv-cv7r-mw98
• https://lists.debian.org/debian-lts-announce/2024/04/msg00002.html
• https://security.netapp.com/advisory/ntap-20240329-0001/

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