ai.catboost:catboost-spark_4.1_2.13 (1.2.10), ai.new-wave:spring-agent-app (>=0.1.0, <=0.3.0) +4650 more potentially affected by CVE-2026-42585 via io.netty:netty-codec-http (>=4.2.0.alpha1, <=4.2.12.final)

io.netty:netty-codec-http MAVEN version =4.2.0.alpha1, =0.1.0, =0.1.0, =4.13.5, =4.9.0, =4.9.0, =4.5.0, =4.5.0, =4.9.0, =4.9.0, =4.9.0, =4.9.0, =4.9.0, =4.9.2 and more Source cves: CVE-2026-42585 Source advisory: SNYK:JAVA-IONETTY-16438737...

HTTP Request Smuggling

Overview io.netty:netty-codec-http is a network application framework for rapid development of maintainable high performance protocol servers & clients. Affected versions of this package are vulnerable to HTTP Request Smuggling when parsed HTTP requests contain malformed Transfer-Encoding headers...

HTTP Request Smuggling

Overview io.netty:netty-codec-http is a network application framework for rapid development of maintainable high performance protocol servers & clients. Affected versions of this package are vulnerable to HTTP Request Smuggling in the HttpClientCodec component. An attacker can cause response...

GHSA-57RV-R2G8-2CJ3 Netty has HttpClientCodec response desynchronization

Summary If HttpClientCodec is configured, there are use cases when a response body from one request, can be parsed as another's. Details HttpClientCodec pairs each inbound response with an outbound request by queue.poll once per response, including for 1xx. If the client pipelines GET then HEAD a...

Allocation of Resources Without Limits or Throttling

Overview io.netty:netty-codec is an event-driven asynchronous network application framework. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the Lz4FrameDecoder component. An attacker can cause excessive memory allocation by sending...

ai.catboost:catboost-spark_4.0_2.13 (1.2.10), ai.catboost:catboost-spark_4.1_2.13 (1.2.10) +5581 more potentially affected by CVE-2026-42583 via io.netty:netty-codec-compression (>=4.2.0.alpha3, <=4.2.12.final)

io.netty:netty-codec-compression MAVEN version =4.2.0.alpha3, =0.4.0, =0.4.0, =0.1.0, =0.1.0, =4.13.5, =4.13.5, =4.13.5, =4.13.5, =4.13.5, =4.14.0-rc.2 and more Source cves: CVE-2026-42583 Source advisory: OSV:GHSA-MJ4R-2HFC-F8P6...

GHSA-MJ4R-2HFC-F8P6 Netty Lz4FrameDecoder is vulnerable to resource exhaustion

Summary Lz4FrameDecoder allocates a ByteBuf of size decompressedLength up to 32 MB per block before LZ4 runs. A peer only needs a 21-byte header plus compressedLength payload bytes - 22 bytes if compressedLength == 1 - to force that allocation. Details...

Netty HTTP/3 QPACK literal unbounded allocation

Summary When Netty decodes HTTP/3 headers, it sometimes runs new bytelength using a length from the wire before checking that many bytes are really there. A small malicious header can claim a huge length on the order of a gigabyte. Details When decoding header blocks, the non-Huffman branch of...

GHSA-2C5C-CHWR-9HQW Netty HTTP/3 QPACK literal unbounded allocation

Summary When Netty decodes HTTP/3 headers, it sometimes runs new bytelength using a length from the wire before checking that many bytes are really there. A small malicious header can claim a huge length on the order of a gigabyte. Details When decoding header blocks, the non-Huffman branch of...

ai.catboost:catboost-spark_4.0_2.13 (1.2.10), ai.catboost:catboost-spark_4.1_2.13 (1.2.10) +1587 more potentially affected by CVE-2026-42582 via io.netty:netty-codec-http3 (>=4.2.2.final, <=4.2.12.final)

io.netty:netty-codec-http3 MAVEN version =4.2.2.final, =0.1.0, =0.1.0, =4.13.5, =4.9.0, =4.9.0, =4.5.0, =4.5.0, =4.9.0, =4.9.0, =4.9.0, =4.9.0, =4.9.2 and more Source cves: CVE-2026-42582 Source advisory: SNYK:JAVA-IONETTY-16438978...

HTTP Request Smuggling

Overview io.netty:netty-codec-http is a network application framework for rapid development of maintainable high performance protocol servers & clients. Affected versions of this package are vulnerable to HTTP Request Smuggling in the HttpObjectDecoder component. An attacker can manipulate...

Netty HTTP/1.0 TE+CL Coexistence Bypasses Smuggling Sanitization

NETTY HTTP/1.0 TE+CL Coexistence Bypasses Smuggling Sanitization | Field | Value | |-----------|-------| | Library | io.netty:netty-codec-http | | Component | codec-http — HttpObjectDecoder | | Severity | HIGH | | Affects | HEAD, commit 4f3533ae confirmed | --- Summary HttpObjectDecoder strips a...

GHSA-XXQH-MFJM-7MV9 Netty HTTP/1.0 TE+CL Coexistence Bypasses Smuggling Sanitization

NETTY HTTP/1.0 TE+CL Coexistence Bypasses Smuggling Sanitization | Field | Value | |-----------|-------| | Library | io.netty:netty-codec-http | | Component | codec-http — HttpObjectDecoder | | Severity | HIGH | | Affects | HEAD, commit 4f3533ae confirmed | --- Summary HttpObjectDecoder strips a...

ac.intave:cloud-protocol (>=0.0.1, <=0.0.11), africa.absa:inception-application (>=1.0.0, <=1.2.0) +43224 more potentially affected by CVE-2026-42581 via io.netty:netty-codec-http (>=4.0.0.alpha1, <=4.1.132.final)

io.netty:netty-codec-http MAVEN version =4.0.0.alpha1, =0.0.1, =1.0.0, =0.1.0-alpha.2, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.3, =0.1.0-alpha.2, =0.1.0, =0.1.0, =0.2.0 and more Source cves:...

HTTP Request Smuggling

Overview io.netty:netty-codec-http is a network application framework for rapid development of maintainable high performance protocol servers & clients. Affected versions of this package are vulnerable to HTTP Request Smuggling via the getChunkSize function. An attacker can inject unauthorized HT...

ac.intave:cloud-protocol (>=0.0.1, <=0.0.11), africa.absa:inception-application (>=1.0.0, <=1.2.0) +43224 more potentially affected by CVE-2026-42580 via io.netty:netty-codec-http (>=4.0.0.alpha1, <=4.1.132.final)

io.netty:netty-codec-http MAVEN version =4.0.0.alpha1, =0.0.1, =1.0.0, =0.1.0-alpha.2, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.3, =0.1.0-alpha.2, =0.1.0, =0.1.0, =0.2.0 and more Source cves:...

ac.intave:cloud-protocol (>=0.0.1, <=0.0.11), africa.absa:inception-application (>=1.0.0, <=1.2.0) +43224 more potentially affected by CVE-2026-42580 via io.netty:netty-codec-http (>=4.0.0.alpha1, <=4.1.132.final)

io.netty:netty-codec-http MAVEN version =4.0.0.alpha1, =0.0.1, =1.0.0, =0.1.0-alpha.2, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.3, =0.1.0-alpha.2, =0.1.0, =0.1.0, =0.2.0 and more Source cves:...

Netty vulnerable to HTTP Request Smuggling due to incorrect chunk size parsing

Summary Netty's chunk size parser silently overflows int, enabling request smuggling attacks. Details io.netty.handler.codec.http.HttpObjectDecodergetChunkSize silently overflows int. The size is accumulated as follows: result = 16; result += digit; The result is checked only for negative values...

GHSA-M4CV-J2PX-7723 Netty vulnerable to HTTP Request Smuggling due to incorrect chunk size parsing

Summary Netty's chunk size parser silently overflows int, enabling request smuggling attacks. Details io.netty.handler.codec.http.HttpObjectDecodergetChunkSize silently overflows int. The size is accumulated as follows: result = 16; result += digit; The result is checked only for negative values...

Netty has a DNS Codec Input Validation Bypass (Encoder + Decoder)

Security Vulnerability Report: DNS Codec Input Validation Bypass in Netty Encoder + Decoder 1. Vulnerability Summary | Field | Value | |-------|-------| | Product | Netty | | Version | 4.2.12.Final and all prior versions with codec-dns | | Component | io.netty.handler.codec.dns.DnsCodecUtil | |...