Description
A flaw was found in the netty-codec-haproxy component, part of the Netty network application framework. This vulnerability allows a remote attacker to perform protocol-level injection attacks by crafting malformed HAProxy protocol frames that contain embedded carriage return (CR) and line feed (LF) sequences. This can lead to the injection of arbitrary content, potentially disrupting network communication or enabling further attacks.
Published: n/a
Score: 5.5 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-wh89-7897-x99h Netty: HAProxy V1 Protocol CRLF Injection via AF_UNIX Address
History

Tue, 28 Jul 2026 00:15:00 +0000

Type Values Removed Values Added
Description A flaw was found in the netty-codec-haproxy component, part of the Netty network application framework. This vulnerability allows a remote attacker to perform protocol-level injection attacks by crafting malformed HAProxy protocol frames that contain embedded carriage return (CR) and line feed (LF) sequences. This can lead to the injection of arbitrary content, potentially disrupting network communication or enabling further attacks.
Title io.netty/netty-codec-haproxy: Netty: Improper CR/LF neutralization in netty-codec-haproxy
Weaknesses CWE-93
References
Metrics threat_severity

None

cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N'}

threat_severity

Moderate


Subscriptions

No data.

cve-icon MITRE

No data.

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-07-09T00:00:00Z

Links: CVE-2026-59919 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses