Vulnerabilities CVE-2026-44249

CVE-2026-44249

High

Open

TLP:CLEAR

Netty has an IPv6 Subnet Filter Bypass via Incorrect Comparator Masking

NVD CVE.org

AI Analysis

No AI analysis yet.

Description

Netty is a network application framework for development of protocol servers and clients. In netty-handler prior to versions 4.1.135.Final and 4.2.15.Final, an attacker can bypass IPv6 subnet rules due to an incorrect masking operation in IpSubnetFilterRule.compareTo(). Valid public IP addresses can bypass the restrictions. Versions 4.1.135.Final and 4.2.15.Final patch the issue.

Details

CVSS Score: 8.1
EPSS Score ⓘ: 1.03%

60.4th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Confidence: 90%
Published: Jun 11, 2026
Last Modified: Aug 12, 2026

Notes

No notes yet. Click "Add Note" to create the first analysis note.

Opinions

No opinions yet. Be the first to assess this intelligence.