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CVE-2026-59900

Fixed in a distro release EPSS <1%CVSS 6.9

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, Netty's HTTP/2-to-HTTP/1.x translation layer (`Http2StreamFrameToHttpObjectCodec` and `InboundHttp2ToHttpAdapter`) fails to deduplicate or validate `Host` headers when an HTTP/2 client supplies both the `:authority` pseudo-header and a literal `host` header in a single HEADERS frame. The translator maps `:authority` to `Host` and separately copies the literal `host` header, producing an `HttpRequest` object containing two `Host` headers with attacker-controlled differing values. This issue has been fixed in versions 4.1.136.Final and 4.2.16.Final.

Published 2026-07-29 · CVE record · OSV

Products: netty

Fixed upstream

EcosystemPackageFixed in
Mavenio.netty:netty-codec-http24.2.16.Final
Mavenio.netty:netty-codec-http24.1.136.Final

Distro releases

ReleasePackageFixed in
Chainguardairbyte-server2.0.0-r8
Chainguardairbyte-server-fips2.0.0-r10
Chainguardakhq0.27.1-r14
Chainguardapache-camel-karavan-devmode4.18.1-r8
Chainguardapache-hop2.18.1-r13
Chainguardapache-hop-fips2.18.1-r6
Chainguardapache-nifi2.10.0-r7
Chainguardapache-pulsar-4.04.0.12-r2
Chainguardapache-pulsar-4.14.1.3-r15
Chainguardapache-pulsar-4.24.2.3-r3
Chainguardapache-pulsar-fips-4.04.0.12-r2
Chainguardapache-pulsar-fips-4.1no fix
Chainguardapache-pulsar-fips-4.24.2.3-r2
Chainguardapicurio-registry3.3.0-r11
Chainguardapicurio-registry-3-operator3.3.0-r11
Chainguardapicurio-registry-3-operator-fips3.3.0-r8
Chainguardapicurio-registry-fips3.3.0-r8
Chainguardcamunda-8.88.8.31-r2
Chainguardcamunda-8.98.9.13-r2
Chainguardcamunda-zeebe-8.68.6.39-r6
Chainguardcamunda-zeebe-8.78.7.35-r1
Chainguardcamunda-zeebe-8.88.8.32-r1
Chainguardcamunda-zeebe-8.98.9.13-r1
Chainguardceleborn-0.50.5.4-r32
Chainguardceleborn-0.5no fix
Chainguardceleborn-0.6no fix
Chainguardceleborn-0.60.6.3-r13
Chainguardceleborn-0.70.7.0-r6
Chainguardceleborn-0.70.7.0-r3
Chainguardcloudwatch-exporter0.18.0-r5
Chainguardcloudwatch-exporter0.18.0-r1
Chainguardcommercial-elasticsearch-8.17no fix
Chainguardcommercial-elasticsearch-8.198.19.22-r0
Chainguardcommercial-elasticsearch-9.1no fix
Chainguardcommercial-elasticsearch-9.2no fix
Chainguardcommercial-elasticsearch-9.3no fix
Chainguardcommercial-elasticsearch-9.49.4.8-r0
Chainguardcommercial-elasticsearch-9.59.5.5-r0
Chainguardconductor3.31.0-r5
Chainguardconductor-fips3.31.0-r6
Chainguarddruid37.0.0-r46
Chainguarddruid37.0.0-r56
Chainguarddruid37.0.0-r47
Chainguardelasticsearch-8.198.19.19-r1
Chainguardelasticsearch-8.19-iamguarded8.19.19-r1
Chainguardelasticsearch-8.19-iamguarded-fips8.19.19-r1
Chainguardelasticsearch-9.19.1.10-r9
Chainguardelasticsearch-9.1-iamguarded9.1.10-r9
Chainguardelasticsearch-9.1-iamguarded-fipsno fix
Chainguardelasticsearch-9.29.2.8-r8
Chainguardelasticsearch-9.2-iamguarded9.2.8-r8
Chainguardelasticsearch-9.2-iamguarded-fipsno fix
Chainguardelasticsearch-9.3no fix
Chainguardelasticsearch-9.3-iamguarded9.3.8-r6
Chainguardelasticsearch-9.3-iamguarded-fipsno fix
Chainguardelasticsearch-9.49.4.5-r4
Chainguardelasticsearch-9.4-iamguarded9.4.5-r3
Chainguardelasticsearch-9.4-iamguarded-fips9.4.5-r5
Chainguardelasticsearch-9.59.5.1-r3
Chainguardelasticsearch-9.5-iamguarded9.5.1-r3
Chainguardelasticsearch-9.5-iamguarded-fips9.5.2-r3
Chainguardelasticsearch-fips-8.198.19.19-r1
Chainguardelasticsearch-fips-9.1no fix
Chainguardelasticsearch-fips-9.2no fix
Chainguardelasticsearch-fips-9.3no fix
Chainguardelasticsearch-fips-9.49.4.5-r5
Chainguardelasticsearch-fips-9.59.5.2-r3
Chainguardfloci1.5.33-r6
Chainguardfloci-az0.9.0-r3
Chainguardflyway13.0.0-r1
Chainguardflyway-fips13.0.0-r3
Chainguardgremlin-server3.8.1-r2
Chainguardgrpc-java-fips-1.56.0-m21.56.0-r7
Chainguardhadoop-3.5no fix
Chainguardhadoop-fips-3.3.6no fix
Chainguardhadoop-fips-3.4.2no fix
Chainguardhadoop-fips-3.53.5.0-r3
Chainguardhadoop-fips-3.5no fix
Chainguardhadoop-fips-3.53.5.0-r14
Chainguardhono-adapter-mqtt2.7.0-r32
Chainguardhono-adapter-mqtt2.7.0-r33
Chainguardhono-cli2.7.0-r32
Chainguardhono-cli2.7.0-r33
Chainguardhono-service-auth2.7.0-r32
Chainguardhono-service-command-router2.7.0-r32
Chainguardhono-service-device-registry-jdbc2.7.0-r32
Chainguardhono-service-device-registry-jdbc2.7.0-r33
Chainguardinfinispan-15.015.0.22-r14
Chainguardinfinispan-15.115.1.7-r25
Chainguardinfinispan-15.215.2.6-r23
Chainguardinfinispan-16.016.0.14-r2
Chainguardinfinispan-16.116.1.4-r7
Chainguardinfinispan-16.216.2.1-r2
Chainguardkafbat-ui1.5.0-r10
Chainguardkafbat-ui-fips1.5.0-r6
Chainguardkafka-bridge1.0.0-r9
Chainguardkafka-bridge-fips1.0.0-r6
Chainguardkafka-strimzi-compat1.2.0-r5
Chainguardkafka_exporter-strimzi-compat1.2.0-r4
Chainguardkafka_exporter-strimzi-compat1.2.0-r5
Chainguardkayenta-2025.22025.2.4-r6
Chainguardkayenta-2025.42025.4.6-r11
Chainguardkayenta-2026.02026.0.4-r17
Chainguardkayenta-2026.12026.1.2-r1
Chainguardkayenta-fips-2025.22025.2.4-r7
Chainguardkayenta-fips-2025.42025.4.6-r6
Chainguardkayenta-fips-2026.02026.0.4-r11
Chainguardkayenta-fips-2026.12026.1.2-r1
Chainguardkeycloak-26.5no fix
Chainguardkeycloak-26.5-iamguarded-compatno fix
Chainguardkeycloak-26.5-operatorno fix
Chainguardkeycloak-26.626.6.4-r21
Chainguardkeycloak-26.6-iamguarded-compat26.6.4-r21
Chainguardkeycloak-26.6-operator26.6.4-r21
Chainguardkeycloak-26.726.7.0-r7
Chainguardkeycloak-26.7-iamguarded-compat26.7.0-r7
Chainguardkeycloak-26.7-operator26.7.0-r7
Chainguardkeycloak-fips-26.526.5.7-r6
Chainguardkeycloak-fips-26.5-iamguarded-fips26.5.7-r6
Chainguardkeycloak-fips-26.5-operator26.5.7-r6
Chainguardkeycloak-fips-26.626.6.4-r6
Chainguardkeycloak-fips-26.6-iamguarded-fips26.6.4-r6
Chainguardkeycloak-fips-26.6-operator26.6.4-r6
Chainguardkeycloak-fips-26.726.7.0-r4
Chainguardkeycloak-fips-26.726.7.0-r5
Chainguardkeycloak-fips-26.7-iamguarded-fips26.7.0-r4
Chainguardkeycloak-fips-26.7-iamguarded-fips26.7.0-r5
Chainguardkeycloak-fips-26.7-operator26.7.0-r4
Chainguardkeycloak-fips-26.7-operator26.7.0-r5
Chainguardknative-kafka-broker-1.20-dispatcher-loomno fix
Chainguardknative-kafka-broker-1.20-receiver-loomno fix
Chainguardknative-kafka-broker-1.21-dispatcher-loom1.21.4-r14
Chainguardknative-kafka-broker-1.21-receiver-loom1.21.4-r14
Chainguardknative-kafka-broker-1.22-dispatcher-loom1.22.3-r3
Chainguardknative-kafka-broker-1.22-receiver-loom1.22.3-r3
Chainguardknative-kafka-broker-fips-1.20-dispatcher-loomno fix
Chainguardknative-kafka-broker-fips-1.20-receiver-loomno fix
Chainguardknative-kafka-broker-fips-1.21-dispatcher-loom1.21.4-r9
Chainguardknative-kafka-broker-fips-1.21-receiver-loom1.21.4-r9
Chainguardknative-kafka-broker-fips-1.22-dispatcher-loom1.22.2-r12
Chainguardknative-kafka-broker-fips-1.22-receiver-loom1.22.2-r12
Chainguardkserve-modelmesh0.12.0-r38
Chainguardlocalstack4.14.0-r20
Chainguardmanagement-api-for-apache-cassandra-5.00.1.122-r2
Chainguardmetabase0.63.2-r3
Chainguardneo4j-2025.122025.12.1-r6
Chainguardneo4j-2026.012026.01.4-r6
Chainguardneo4j-2026.022026.02.3-r3
Chainguardopensearch-2-ml-commons2.19.6-r6
Chainguardopensearch-2-performance-analyzer2.19.6-r6
Chainguardopensearch-2-repository-azure2.19.6-r6
Chainguardopensearch-2-repository-s32.19.6-r6
Chainguardopensearch-33.7.0-r5
Chainguardopensearch-3-discovery-ec23.8.0-r3
Chainguardopensearch-3-iamguarded-compat3.8.0-r3
Chainguardopensearch-3-ml-commons3.7.0-r5
Chainguardopensearch-3-neural-searchno fix
Chainguardopensearch-3-notifications3.7.0-r5
Chainguardopensearch-3-performance-analyzer3.7.0-r5
Chainguardopensearch-3-repository-azure3.7.0-r5
Chainguardopensearch-3-repository-s33.7.0-r5
Chainguardopensearch-3-security3.7.0-r5
Chainguardopensearch-3-security-analytics3.8.0-r2
Chainguardopensearch-fips-33.7.0-r5
Chainguardopensearch-fips-3-ml-commons3.7.0-r5
Chainguardopensearch-fips-3-notifications3.7.0-r5
Chainguardopensearch-fips-3-performance-analyzer3.7.0-r5
Chainguardopensearch-fips-3-repository-azure3.7.0-r5
Chainguardopensearch-fips-3-repository-s33.7.0-r5
Chainguardopensearch-fips-3-security3.7.0-r5
Chainguardopensearch-fips-3-security-analytics3.8.0-r2
Chainguardpinot1.5.1-r8
Chainguardpinot-fips1.5.1-r6
Chainguardprometheus-jmx-exporter-strimzi-compat1.6.0-r0
Chainguardrangerno fix
Chainguardreposilite3.5.28-r7
Chainguardrequest-9047-keycloak-fips-26.426.4.7-r27
Chainguardrequest-9047-keycloak-fips-26.4-iamguarded-fips26.4.7-r27
Chainguardrequest-9047-keycloak-fips-26.4-operator26.4.7-r27
Chainguardrequest-9047-keycloak-fips-26.526.5.7-r17
Chainguardrequest-9047-keycloak-fips-26.5-iamguarded-fips26.5.7-r17
Chainguardrequest-9047-keycloak-fips-26.5-operator26.5.7-r17
Chainguardrequest-9047-keycloak-fips-26.626.6.4-r9
Chainguardrequest-9047-keycloak-fips-26.6-iamguarded-fips26.6.4-r9
Chainguardrequest-9047-keycloak-fips-26.6-operator26.6.4-r9
Chainguards3proxy3.3.0-r7
Chainguards3proxy-fips3.3.0-r6
Chainguardseata-server2.7.0-r3
Chainguardsonarqube26.9.0.129388-r4
Chainguardspark-3.5-scala-2.123.5.9-r2
Chainguardspark-3.5-scala-2.133.5.9-r2
Chainguardspark-4.0-scala-2.134.0.4-r1
Chainguardspark-4.1-scala-2.134.1.3-r2
Chainguardspark-4.2-scala-2.134.2.0-r3
Chainguardspark-fips-3.5-scala-2.123.5.8-r6
Chainguardspark-fips-3.5-scala-2.133.5.8-r6
Chainguardspark-fips-4.1-scala-2.134.1.2-r6
Chainguardspark-fips-4.2-scala-2.134.2.0-r3
Chainguardspark-kubernetes-operator0.9.0-r6
Chainguardspark-kubernetes-operator-fips1.0.0-r0
Chainguardstrimzi-kafka-operatorno fix
Chainguardstrimzi-kafka-operator1.2.0-r5
Chainguardstrimzi-kafka-operator-cluster-operator1.1.0-r4
Chainguardstrimzi-kafka-operator-cluster-operator1.2.0-r5
Chainguardstrimzi-kafka-operator-cluster-operator1.2.0-r4
Chainguardstrimzi-kafka-operator-fips-cluster-operator1.1.0-r1
Chainguardstrimzi-kafka-operator-fips-kafka-agent1.1.0-r1
Chainguardstrimzi-kafka-operator-fips-kafka-init1.1.0-r1
Chainguardstrimzi-kafka-operator-fips-kafka-thirdparty-libs-cc1.1.0-r1
Chainguardstrimzi-kafka-operator-fips-topic-operator1.1.0-r1
Chainguardstrimzi-kafka-operator-fips-tracing-agent1.1.0-r1
Chainguardstrimzi-kafka-operator-fips-user-operator1.1.0-r1
Chainguardstrimzi-kafka-operator-kafka-agent1.1.0-r4
Chainguardstrimzi-kafka-operator-kafka-agentno fix
Chainguardstrimzi-kafka-operator-kafka-agent1.2.0-r5
Chainguardstrimzi-kafka-operator-kafka-base1.2.0-r5
Chainguardstrimzi-kafka-operator-kafka-initno fix
Chainguardstrimzi-kafka-operator-kafka-init1.1.0-r4
Chainguardstrimzi-kafka-operator-kafka-init1.2.0-r4
Chainguardstrimzi-kafka-operator-kafka-init1.2.0-r5
Chainguardstrimzi-kafka-operator-kafka-thirdparty-libs1.2.0-r5
Chainguardstrimzi-kafka-operator-kafka-thirdparty-libs-cc1.2.0-r5
Chainguardstrimzi-kafka-operator-kafka-thirdparty-libs-cc1.1.0-r4
Chainguardstrimzi-kafka-operator-topic-operator1.1.0-r4
Chainguardstrimzi-kafka-operator-topic-operator1.2.0-r5
Chainguardstrimzi-kafka-operator-topic-operator1.2.0-r4
Chainguardstrimzi-kafka-operator-tracing-agent1.2.0-r5
Chainguardstrimzi-kafka-operator-tracing-agent1.1.0-r4
Chainguardstrimzi-kafka-operator-user-operator1.2.0-r5
Chainguardstrimzi-kafka-operator-user-operator1.1.0-r4
Chainguardthingsboard-tb-mqtt-transport4.3.1.3-r11
Chainguardthingsboard-tb-node4.3.1.3-r11
Chainguardtraccar6.14.5-r1
Chainguardtraccar-fips6.14.5-r2
Chainguardtrino-plugin-opensearchno fix
Chainguardwavefront-proxy13.9-r24
Chainguardwazuh-indexer-plugin-ml-commons4.14.6-r2
Chainguardwazuh-indexer-plugin-performance-analyzer4.14.6-r2
Chainguardzaproxyno fix
Chainguardzipkin3.6.1-r19
Chainguardzipkin-slim3.6.1-r19
Debian 12nettyno fix
Debian 13nettyno fix
Debian 14nettyno fix
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSnetty-tcnative2.0.80-150200.3.48.1
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSSnetty-tcnative2.0.80-150200.3.48.1
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSnetty-tcnative2.0.80-150200.3.48.1
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSSnetty-tcnative2.0.80-150200.3.48.1
SUSE Linux Enterprise Module for Development Tools 15 SP7netty-tcnative2.0.80-150200.3.48.1
SUSE Linux Enterprise Module for Package Hub 15 SP7netty4.1.136-150200.4.53.1
SUSE Linux Enterprise Server 15 SP4-LTSSnetty-tcnative2.0.80-150200.3.48.1
SUSE Linux Enterprise Server 15 SP5-LTSSnetty-tcnative2.0.80-150200.3.48.1
SUSE Linux Enterprise Server 15 SP6-LTSSnetty-tcnative2.0.80-150200.3.48.1
SUSE Linux Enterprise Server for SAP Applications 15 SP4netty-tcnative2.0.80-150200.3.48.1
SUSE Linux Enterprise Server for SAP Applications 15 SP5netty-tcnative2.0.80-150200.3.48.1
SUSE Linux Enterprise Server for SAP Applications 15 SP6netty-tcnative2.0.80-150200.3.48.1
Ubuntu 26.10nettyno fix
Ubuntu Pro 14.04 LTSnettyno fix
Ubuntu Pro 16.04 LTSnettyno fix
Ubuntu Pro 18.04 LTSnettyno fix
Ubuntu Pro 20.04 LTSnettyno fix
Ubuntu Pro 22.04 LTSnettyno fix
Ubuntu Pro 24.04 LTSnettyno fix
Ubuntu Pro 26.04 LTSnettyno fix
Wolfiakhq0.27.1-r14
Wolfiapache-nifi2.10.0-r7
Wolfiapache-pulsar-4.14.1.3-r15
Wolfiapache-pulsar-4.24.2.3-r3
Wolfiapicurio-registry3.3.0-r11
Wolficeleborn-0.6no fix
Wolficeleborn-0.60.6.3-r13
Wolficloudwatch-exporter0.18.0-r1
Wolficloudwatch-exporter0.18.0-r5
Wolfidruid37.0.0-r56
Wolfidruid37.0.0-r47
Wolfidruid37.0.0-r46
Wolfiflyway13.0.0-r1
Wolfiinfinispan-16.016.0.14-r2
Wolfiinfinispan-16.116.1.4-r7
Wolfiinfinispan-16.216.2.1-r2
Wolfikafka-strimzi-compat1.2.0-r5
Wolfikafka_exporter-strimzi-compat1.2.0-r5
Wolfikafka_exporter-strimzi-compat1.2.0-r4
Wolfikeycloak-26.5no fix
Wolfikeycloak-26.5-iamguarded-compatno fix
Wolfikeycloak-26.5-operatorno fix
Wolfikeycloak-26.626.6.4-r21
Wolfikeycloak-26.6-iamguarded-compat26.6.4-r21
Wolfikeycloak-26.6-operator26.6.4-r21
Wolfikserve-modelmesh0.12.0-r38
Wolfimanagement-api-for-apache-cassandra-5.00.1.122-r2
Wolfineo4j-2025.122025.12.1-r6
Wolfineo4j-2026.012026.01.4-r6
Wolfiopensearch-33.7.0-r5
Wolfiopensearch-3-discovery-ec23.8.0-r3
Wolfiopensearch-3-iamguarded-compat3.8.0-r3
Wolfiopensearch-3-ml-commons3.7.0-r5
Wolfiopensearch-3-neural-searchno fix
Wolfiopensearch-3-notifications3.7.0-r5
Wolfiopensearch-3-performance-analyzer3.7.0-r5
Wolfiopensearch-3-repository-azure3.7.0-r5
Wolfiopensearch-3-repository-s33.7.0-r5
Wolfiopensearch-3-security3.7.0-r5
Wolfiopensearch-3-security-analytics3.8.0-r2
Wolfiprometheus-jmx-exporter-strimzi-compat1.6.0-r0
Wolfisonarqube26.9.0.129388-r4
Wolfispark-4.0-scala-2.134.0.4-r1
Wolfispark-4.1-scala-2.134.1.3-r2
Wolfistrimzi-kafka-operatorno fix
Wolfistrimzi-kafka-operator1.2.0-r5
Wolfistrimzi-kafka-operator-cluster-operator1.1.0-r4
Wolfistrimzi-kafka-operator-cluster-operator1.2.0-r5
Wolfistrimzi-kafka-operator-cluster-operator1.2.0-r4
Wolfistrimzi-kafka-operator-kafka-agent1.1.0-r4
Wolfistrimzi-kafka-operator-kafka-agentno fix
Wolfistrimzi-kafka-operator-kafka-agent1.2.0-r5
Wolfistrimzi-kafka-operator-kafka-base1.2.0-r5
Wolfistrimzi-kafka-operator-kafka-init1.1.0-r4
Wolfistrimzi-kafka-operator-kafka-init1.2.0-r4
Wolfistrimzi-kafka-operator-kafka-initno fix
Wolfistrimzi-kafka-operator-kafka-init1.2.0-r5
Wolfistrimzi-kafka-operator-kafka-thirdparty-libs1.2.0-r5
Wolfistrimzi-kafka-operator-kafka-thirdparty-libs-cc1.2.0-r5
Wolfistrimzi-kafka-operator-kafka-thirdparty-libs-cc1.1.0-r4
Wolfistrimzi-kafka-operator-topic-operator1.2.0-r4
Wolfistrimzi-kafka-operator-topic-operator1.2.0-r5
Wolfistrimzi-kafka-operator-topic-operator1.1.0-r4
Wolfistrimzi-kafka-operator-tracing-agent1.1.0-r4
Wolfistrimzi-kafka-operator-tracing-agent1.2.0-r5
Wolfistrimzi-kafka-operator-user-operator1.2.0-r5
Wolfistrimzi-kafka-operator-user-operator1.1.0-r4
Wolfithingsboard-tb-mqtt-transport4.3.1.3-r11
Wolfithingsboard-tb-node4.3.1.3-r11
Wolfitrino-plugin-opensearchno fix
Wolfiwavefront-proxy13.9-r24
Wolfizipkin3.6.1-r19
Wolfizipkin-slim3.6.1-r19
openSUSE Tumbleweednetty4.1.136-1.1