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CVE-2026-44250

7.5 · HIGH

Netty is a network application framework for development of protocol servers and clients.

Published Jun 11, 2026CWE-400EPSS 0.85%

Overview

CVE-2026-44250 is a high-severity vulnerability. It was published on June 11, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Netty is a network application framework for development of protocol servers and clients. In netty-codec-redis prior to versions 4.1.135.Final and 4.2.15.Final, an attacker can cause DoS by sending a crafted Redis payload with deeply nested arrays. This forces the server to allocate a massive number of state objects and collections, leading to memory exhaustion and an OutOfMemoryError. Versions 4.1.135.Final and 4.2.15.Final patch the issue.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/netty/netty/releases/tag/netty-4.1.135.FinalGitHubgithub.com/netty/netty/releases/tag/netty-4.2.15.FinalGitHubgithub.com/netty/netty/security/advisories/GHSA-3244-j874-rhc2Refaccess.redhat.com/errata/RHSA-2026:37390Refaccess.redhat.com/errata/RHSA-2026:41951Refaccess.redhat.com/errata/RHSA-2026:50085Refaccess.redhat.com/errata/RHSA-2026:53644Refaccess.redhat.com/errata/RHSA-2026:53806Refaccess.redhat.com/security/cve/CVE-2026-44250Refbugzilla.redhat.com/show_bug.cgi?id=2488062

How CyberStrike helps

Frequently asked questions

What is CVE-2026-44250?

CVE-2026-44250 is a high-severity vulnerability. It was published on June 11, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-44250?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-44250?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-44250?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-44250 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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