# io.netty:netty-codec-haproxy (Maven) vulnerabilities

Source: https://junglewise.ai/threats/technologies/io-netty-netty-codec-haproxy  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/io-netty-netty-codec-haproxy.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in io.netty:netty-codec-haproxy (Maven): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-59919, was published on 29 July 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 5 (0 critical, 0 exploited in the wild)

## About io.netty:netty-codec-haproxy (Maven)

A Netty codec that supports the HAProxy PROXY protocol for preserving client connection information.

## Latest io.netty:netty-codec-haproxy (Maven) vulnerabilities

- [CVE-2026-59919: Netty CRLF injection in HAProxyMessageEncoder AF_UNIX addresses](https://junglewise.ai/threats/cve-2026-59919-netty-crlf-injection-in-haproxymessageencoder-af-unix-addresses) (medium, CVSS 5.5, published 29 Jul 2026)
- [CVE-2026-55851: Netty uncontrolled resource consumption in HAProxyMessageDecoder](https://junglewise.ai/threats/cve-2026-55851-netty-uncontrolled-resource-consumption-in-haproxymessagedecoder) (high, CVSS 4, published 21 Jul 2026)
- [CVE-2026-48059: Netty memory leak in HAProxy PROXY protocol v2 codec](https://junglewise.ai/threats/cve-2026-48059-netty-memory-leak-in-haproxy-proxy-protocol-v2-codec) (high, CVSS 3.1, published 12 Jun 2026)
- [CVE-2026-44893: Netty memory leak in HAProxyMessageDecoder SSL TLV parsing](https://junglewise.ai/threats/cve-2026-44893-netty-memory-leak-in-haproxymessagedecoder-ssl-tlv-parsing) (high, CVSS 7.5, published 12 Jun 2026)
- [CVE-2022-41881: HAProxyMessageDecoder Stack Exhaustion DoS](https://junglewise.ai/threats/cve-2022-41881-haproxymessagedecoder-stack-exhaustion-dos) (low, CVSS 3.1, published 12 Dec 2022)

## Most severe io.netty:netty-codec-haproxy (Maven) vulnerabilities

- [CVE-2026-44893: Netty memory leak in HAProxyMessageDecoder SSL TLV parsing](https://junglewise.ai/threats/cve-2026-44893-netty-memory-leak-in-haproxymessagedecoder-ssl-tlv-parsing) (high, CVSS 7.5, published 12 Jun 2026)
- [CVE-2026-55851: Netty uncontrolled resource consumption in HAProxyMessageDecoder](https://junglewise.ai/threats/cve-2026-55851-netty-uncontrolled-resource-consumption-in-haproxymessagedecoder) (high, CVSS 4, published 21 Jul 2026)
- [CVE-2026-48059: Netty memory leak in HAProxy PROXY protocol v2 codec](https://junglewise.ai/threats/cve-2026-48059-netty-memory-leak-in-haproxy-proxy-protocol-v2-codec) (high, CVSS 3.1, published 12 Jun 2026)
- [CVE-2026-59919: Netty CRLF injection in HAProxyMessageEncoder AF_UNIX addresses](https://junglewise.ai/threats/cve-2026-59919-netty-crlf-injection-in-haproxymessageencoder-af-unix-addresses) (medium, CVSS 5.5, published 29 Jul 2026)
- [CVE-2022-41881: HAProxyMessageDecoder Stack Exhaustion DoS](https://junglewise.ai/threats/cve-2022-41881-haproxymessagedecoder-stack-exhaustion-dos) (low, CVSS 3.1, published 12 Dec 2022)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

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## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "io.netty:netty-codec-haproxy (Maven) vulnerabilities", https://junglewise.ai/threats/technologies/io-netty-netty-codec-haproxy, 9 November 2026.