VYPR
High severity7.5NVD Advisory· Published Jul 17, 2026· Updated Jul 23, 2026

CVE-2026-44891

CVE-2026-44891

Description

Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, io.netty.handler.codec.stomp.StompSubframeDecoder fails to limit the total number of headers or their cumulative size per frame, and the maxLineLength parameter only restricts individual header lines. An attacker can send a large number of short headers that are accumulated in memory inside DefaultStompHeadersSubframe until the JVM throws an OutOfMemoryError, causing denial of service for servers exposing a STOMP endpoint based on StompSubframeDecoder. This issue is fixed in versions 4.1.136.Final and 4.2.16.Final.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
io.netty:netty-codec-stompMaven
>= 4.2.0.Alpha1, < 4.2.16.Final4.2.16.Final
io.netty:netty-codec-stompMaven
< 4.1.136.Final4.1.136.Final

Affected products

35

Patches

Vulnerability mechanics

References

8

News mentions

0

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