CVE-2026-44893

A flaw was found in netty-codec-haproxy, a component of the Netty network application framework. A remote attacker can exploit this vulnerability by sending a specially crafted HAProxy message with a malformed PP2TYPESSL TLV Type-Length-Value header. This can lead to an IndexOutOfBoundsException...

Missing Release of Memory after Effective Lifetime

Overview Affected versions of this package are vulnerable to Missing Release of Memory after Effective Lifetime in the parsing process of nested PP2TYPESSL TLVs within the HAProxy PROXY protocol v2 codec. An attacker can cause memory exhaustion by sending syntactically valid headers containing...

GHSA-H2QV-FJ59-J46J Netty HAProxy: Unbalanced Reference Count in Nested PP2_TYPE_SSL TLV Parsing Leads to Memory Exhaustion

Impact The HAProxy PROXY protocol v2 codec in netty leaks native or heap memory on every connection when a client sends a syntactically valid header containing nested PP2TYPESSL TLVs type-length-value records at depth two or greater. The leak occurs on the successful parse path — no exception is...

DoS (Denial of Service) io.netty:netty-codec Dependency in Crowd Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 6.2.0, 6.3.0, 7.0.0, 7.1.0, and 7.2.0 of Crowd Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H allows an...

HTTP Request Smuggling io.netty:netty-codec-http Dependency in Crowd Data Center

This is a vulnerability in a non-Atlassian dependency. Atlassian's application of this dependency presents a lower, non-critical assessed risk. This Critical severity HTTP Request Smuggling vulnerability was introduced in versions 6.2.0, 6.3.0, 7.0.0, 7.1.0, 7.2.0 of Crowd Data Center. This HTTP...

Missing Release of Memory after Effective Lifetime

Overview Affected versions of this package are vulnerable to Missing Release of Memory after Effective Lifetime due to improper cleanup of pooled direct-memory buffers in the RedisArrayAggregator function. An attacker can exhaust the JVM-wide direct-memory pool by repeatedly opening and closing...

DoS (Denial of Service) io.netty:netty-codec-http2 Dependency in Jira Service Management Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 5.17.0, 10.0.0, 10.1.1, 10.2.0, 10.3.0, 10.4.0, 10.5.0, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.0, and 11.3.0 of Jira Service Management Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 8.7 a...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the decodeLength function. An attacker can exhaust the server's direct memory pool by sending continuous streams of digits without a terminating \r\n across multiple concurren...

CVE-2026-48040 netty-incubator-codec-ohttp's Incorrect Native Pointer Derivation in Pooled Direct ByteBuf Fallback Leads to Out-of-Bounds Native Memory Access

The netty incubator codec.bhttp is a java language binary http parser. The library implements Oblivious HTTP RFC 9458 using BoringSSL's HPKE C library via JNI. When deriving native memory addresses for cryptographic operations versions prior to 0.0.22.Final provide a fallback path for direct...

CVE-2026-41207

The netty incubator codec.bhttp is a java language binary http parser. Prior to version 0.0.21.Final, HKDFexpand returns non-NULL on failure. The byte is filled with zeros and has no way to distinguish success from failure. Since this output is used as HKDF key material for the response AEAD, a...

DoS (Denial of Service) io.netty:netty-codec Dependency in Jira Service Management Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 5.16.0, 5.17.0, 10.0.0, 10.1.1, 10.2.0, 10.3.0, 10.4.0, 10.5.0, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.0, and 11.3.0 of Jira Service Management Data Center. This DoS Denial of Service vulnerability, with a CVSS Score ...

Injection io.netty:netty-codec-dns Dependency in Confluence Data Center

This is a vulnerability in a non-Atlassian Confluence dependency. Atlassian's application of this dependency presents a lower, non-critical assessed risk. This Critical severity Injection vulnerability was introduced in versions 7.0.1, 7.4.0, 7.13.0, 7.19.0, 8.5.0, 8.9.0, 9.0.1, 9.1.0, 9.2.0,...

HTTP Request Smuggling io.netty:netty-codec-http Dependency in Confluence Data Center

This High severity HTTP Request Smuggling vulnerability was introduced in versions 7.0.1, 7.4.0, 7.13.0, 7.19.0, 8.5.0, 8.9.0, 9.0.1, 9.1.0, 9.2.0, 9.3.1, 9.4.0, 9.5.1, 10.0.2, 10.1.0, and 10.2.0 of Confluence Data Center. This HTTP Request Smuggling vulnerability, with a CVSS Score of 7.5 and a...

HTTP Request Smuggling io.netty:netty-codec-http Dependency in Confluence Data Center

This is a vulnerability in a non-Atlassian Confluence dependency. Atlassian's application of this dependency presents a lower, non-critical assessed risk. This High severity HTTP Request Smuggling vulnerability was introduced in versions 7.0.1, 7.4.0, 7.13.0, 7.19.0, 8.5.0, 8.9.0, 9.0.1, 9.1.0,...

DoS (Denial of Service) io.netty:netty-codec Dependency in Bamboo Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 10.0.0, 10.1.0, 10.2.0, 11.0.0, 12.0.0, and 12.1.0 of Bamboo Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H allows a...

HTTP Request Smuggling io.netty:netty-codec-http Dependency in Bamboo Data Center

This High severity HTTP Request Smuggling vulnerability was introduced in version 10.0.0, 10.1.0, 10.2.0, 11.0.0, 12.0.0, and 12.1.0 of Bamboo Data Center. This HTTP Request Smuggling vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N allows ...

PT-2026-47387

Root has patched GHSA-xpw8-rcwv-8f8p in the io.root.io.netty:netty-codec-http2 package for Root:Maven. Multiple fixed versions available...

HTTP Request Smuggling io.netty:netty-codec-http Dependency in Jira Data Center

This High severity HTTP Request Smuggling vulnerability was introduced in versions 9.12.1, 9.16.0, 9.17.0, 10.0.0, 10.1.1, 10.2.0, 10.3.0, 10.4.0, 10.5.0, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.0, and 11.3.0 of Jira Software Data Center and Server. This HTTP Request Smuggling vulnerability, with a...

Security Bulletin: DevOps Test Performance contains vulnerabilities related to use of netty-codec-http

Summary Due to use of netty-codec-http, DevOps Test Performance and Rational Performance Tester contain potential resource exhaustion and denial-of-service DoS vulnerabilities Vulnerability Details CVEID:CVE-2025-58057 DESCRIPTION: Netty is an asynchronous event-driven network application framewo...

Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerability in netty-codec-http-4.1.132.Final.jar

Summary IBM Watson Discovery Cartridge affected by vulnerability in netty-codec-http-4.1.132.Final.jar Vulnerability Details CVEID:CVE-2026-41417 DESCRIPTION: Netty allows request-line validation to be bypassed when a DefaultHttpRequest or DefaultFullHttpRequest is created first and its URI is...