CVE-2026-93560

Io.netty/netty-codec-stomp: netty: stomp codec content-length long-to-int truncation causes infinite decode loop dos

Published Sep 18, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
A flaw was found in the Netty STOMP codec. A remote attacker could send a specially crafted STOMP frame with a content-length header exceeding the maximum integer value. This integer truncation vulnerability could lead to an infinite decode loop, causing a Denial of Service (DoS) by exhausting memory and CPU resources.

Remediation

Vendor Workaround

See https://github.com/netty/netty/security/advisories/GHSA-hmf3-49g9-g7qq for fixed versions and remediation guidance.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Io.netty
Io.netty netty-codec-http
Redhat build Of Apache Camel For Spring Boot
Redhat fuse 7
Redhat single Sign-on
Vendors & Products Io.netty
Io.netty netty-codec-http
Redhat build Of Apache Camel For Spring Boot
Redhat fuse 7
Redhat single Sign-on
Type Values Removed Values Added
Description STOMP codec content-length long-to-int truncation causes infinite decode loop DoS A flaw was found in the Netty STOMP codec. A remote attacker could send a specially crafted STOMP frame with a content-length header exceeding the maximum integer value. This integer truncation vulnerability could lead to an infinite decode loop, causing a Denial of Service (DoS) by exhausting memory and CPU resources.
Type Values Removed Values Added
Title netty: netty-codec-stomp: io.netty/netty-codec-stomp: Netty: STOMP codec content-length long-to-int truncation causes infinite decode loop DoS Io.netty/netty-codec-stomp: netty: stomp codec content-length long-to-int truncation causes infinite decode loop dos
First Time appeared Redhat
Redhat camel Spring Boot
Redhat jboss Enterprise Application Platform
Redhat jboss Fuse
Redhat red Hat Single Sign On
CPEs cpe:/a:redhat:camel_spring_boot:4
cpe:/a:redhat:jboss_enterprise_application_platform:7
cpe:/a:redhat:jboss_fuse:7
cpe:/a:redhat:red_hat_single_sign_on:7
Vendors & Products Redhat
Redhat camel Spring Boot
Redhat jboss Enterprise Application Platform
Redhat jboss Fuse
Redhat red Hat Single Sign On
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Type Values Removed Values Added
Description STOMP codec content-length long-to-int truncation causes infinite decode loop DoS
Title netty: netty-codec-stomp: io.netty/netty-codec-stomp: Netty: STOMP codec content-length long-to-int truncation causes infinite decode loop DoS
Weaknesses CWE-1035
References
Metrics threat_severity

None

threat_severity

Moderate