CVE-2026-42580

medium Red Hat
CVSS v3 Base Score
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS Score
0.0%
Exploitation probability in 30 days
Top 96% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Published: May 13, 2026 (57 days ago)
Last Modified: May 13, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in Netty, an asynchronous, event-driven network application framework. A remote attacker could exploit an integer overflow vulnerability in Netty's chunk size parser. This flaw enables request smuggling attacks, which can allow an attacker to bypass security controls or access unauthorized information.

CWE

CWE-190

Affected Products

Cryostat 4OpenShift ServerlessRed Hat AMQ Broker 7Red Hat AMQ ClientsRed Hat build of Apache Camel 4 for Quarkus 3Red Hat build of Apache Camel for Spring Boot 4Red Hat build of Apicurio Registry 2Red Hat build of Apicurio Registry 3Red Hat build of Debezium 3Red Hat Build of Keycloak

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 github.com