CVE-2026-59902

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.sctp.SctpMessageCompletionHandler limits incomplete messages and fragment counts but not maxBufferedBytes, allowing unauthenticated peers to exhaust memory with large SCTP fragments. This issue is fixed in versions 4.1.137.Final and 4.2.17.Final.

• CWE-400

• https://github.com/netty/netty/commit/1b5abc6443b63726c72cdd285af2feb7ddbb8ff7Patch
• https://github.com/netty/netty/pull/17213Issue Tracking, Patch
• https://github.com/netty/netty/pull/17217Issue Tracking, Patch
• https://github.com/netty/netty/releases/tag/netty-4.1.137.FinalRelease Notes
• https://github.com/netty/netty/releases/tag/netty-4.2.17.FinalRelease Notes
• https://github.com/netty/netty/security/advisories/GHSA-2qj4-mmr9-4v2fVendor Advisory

Published

Aug 17, 2026

Last Modified

Sep 23, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2026-59897Hono is a Web application framework that provides support fo…5.3
• CVE-2026-59898Netty is an asynchronous, event-driven network application f…7.5
• CVE-2026-59899Netty is an asynchronous, event-driven network application f…7.5
• CVE-2026-5990A vulnerability has been found in Tenda F451 1.0.0.7. Affect…8.8
• CVE-2026-59900Netty is an asynchronous, event-driven network application f…5.3
• CVE-2026-59901Netty is an asynchronous, event-driven network application f…7.5
• CVE-2026-59903Netty is an asynchronous, event-driven network application f…7.5
• CVE-2026-59909Dell ObjectScale, versions prior to 4.3.0.1, contain(s) a Pa…7.1
• CVE-2026-5991A vulnerability was found in Tenda F451 1.0.0.7. Affected by…8.8
• CVE-2026-59910Dell ObjectScale, versions prior to 4.3.0.1, contain(s) an I…7.8
• CVE-2026-59911Dell ObjectScale, versions prior to 4.3.0.1, contain(s) an I…5.5
• CVE-2026-59912Dell Display and Peripheral Manager (DDPM Mac), versions pri…7.8