Red Hat Security Advisory: Streams for Apache Kafka 3.2.1 release and security update
Red Hat Streams for Apache Kafka, based on the Apache Kafka project, offers a distributed backbone that allows microservices and other applications to share data with extremely high throughput and extremely low latency. This release of Red Hat Streams for Apache Kafka 3.2.1 serves as a replacement for Red Hat Streams for Apache Kafka 3.2.0, and includes security and bug fixes, and enhancements. Security Fix(es): * golang-github-danielqsj-kafka_exporter: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283) * quarkus-vertx-http: io.quarkus:quarkus-vertx-http: Authorization bypass via semicolons in HTTP requests (CVE-2026-39852) * kafka-clients: Apache Kafka Clients: Information disclosure and data corruption due to race condition in producer buffer management (CVE-2026-35554) * log4j-layout-template-json: Apache Log4j JsonTemplateLayout: Denial of Service via invalid JSON output (CVE-2026-34481) * log4j-core: Apache Log4j Core: Invalid XML output causes denial of service in logging (CVE-2026-34480) * log4j-core: Apache Log4j Core: Log injection via CRLF sequences due to configuration attribute renames (CVE-2026-34478) * netty-codec-dns: Netty: High integrity impact due to improper DNS domain name constraint enforcement (CVE-2026-42579) * netty-codec-http: Netty: Incorrect HTTP response parsing leads to data confusion (CVE-2026-42584) * netty-codec-http: Netty: HTTP Request Smuggling due to improper handling of conflicting HTTP/1.0 headers (CVE-2026-42581) * netty-handler-proxy: Netty: HTTP Header Injection via HttpProxyHandler Disabled Validation (CVE-2026-42578) * netty-codec-http: Netty: Denial of Service via unbounded memory allocation in HTTP content decompression (CVE-2026-42587) * netty-codec-http2: Netty: Denial of Service via unbounded memory allocation in HTTP content decompression (CVE-2026-42587) * netty-codec: Netty: Denial of Service via excessive memory allocation in LZ4FrameDecoder (CVE-2026-42583) * netty-codec-compression: Netty: Denial of Service via excessive memory allocation in LZ4FrameDecoder (CVE-2026-42583) * next: Next.js: Authorization bypass via crafted query parameters (CVE-2026-44574) * next: Next.js: Denial of Service via crafted POST requests to server actions (CVE-2026-44579) * next: Next.js: Denial of Service via Image Optimization API (CVE-2026-44577) * next: Next.js: Information disclosure due to middleware bypass in Pages Router with i18n (CVE-2026-44573) * next: Next.js: Server-Side Request Forgery via crafted WebSocket upgrade requests (CVE-2026-44578) * next: Next.js: Information disclosure via security fix bypass in middleware with Turbopack (CVE-2026-45109) * next: Next.js: Unauthorized access to protected content via middleware bypass (CVE-2026-44575) * quarkus-vertx-http: Quarkus: Authorization bypass in HTTP path-based policies via encoded characters (CVE-2026-50559) * golang-github-danielqsj-kafka_exporter: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821) * vertx-core: eclipse-vertx/vert.x: Denial of Service via TLS handshake with wildcard server name (CVE-2026-6860) * netty-handler: netty-handler: IPv6 subnet rule bypass due to incorrect masking operation (CVE-2026-44249) * netty-codec-haproxy: Netty-codec-haproxy: Denial of Service via malformed HAProxy message (CVE-2026-44893) * netty-codec-http2: netty-codec-http2: Denial of Service due to resource leak (CVE-2026-48043) * netty-codec-haproxy: Netty HAProxy PROXY protocol v2 codec: Denial of Service via memory leak from crafted PROXY protocol headers (CVE-2026-48059) * netty-resolver-dns: Netty has Insufficient Bailiwick Validation for NS Records (CVE-2026-47691) * netty-resolver-dns: Netty: Information disclosure and data manipulation due to improper CNAME record validation (CVE-2026-45674) * netty-handler: Netty: Denial of Service due to eager buffer allocation in TLS handshake (CVE-2026-45416) * golang-github-danielqsj-kafka_exporter: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811) * cluster-operator: Cross-namespace privilege escalation via Kafka.spec.entityOperator.watchedNamespace in Strimzi (CVE-2026-55225) * micrometer-core: Micrometer: Denial of Service via specially crafted HTTP requests (CVE-2026-40984) * micrometer-core: Micrometer: Denial of Service via specially crafted gRPC requests (CVE-2026-40983) * golang-github-danielqsj-kafka_exporter: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (CVE-2026-27145) * jackson-databind: jackson-databind: Arbitrary code execution via PolymorphicTypeValidator bypass (CVE-2026-54512) * jackson-databind: Jackson-databind: Denial of Service via deeply nested JSON processing (CVE-2026-50193) * golang-github-danielqsj-kafka_exporter: Golang MIME: Denial of Service via maliciously-crafted MIME header (CVE-2026-42504) * jacks
AI Analysis
Technical Summary
The Red Hat build of Quarkus 3.27.4.SP1 security update addresses a collection of vulnerabilities spanning multiple components. Key fixes include CVE-2026-50559 (authentication/authorization bypass via advanced path normalization in quarkus-vertx-http), CVE-2026-6860 (denial of service via TLS handshake with wildcard server name in vertx-core), CVE-2026-44249 (IPv6 subnet rule bypass due to incorrect masking in netty-handler), and several denial of service vulnerabilities caused by malformed protocol messages or resource leaks in netty-codec-haproxy and netty-codec-http2. Additional fixes cover information disclosure and data manipulation issues in netty-resolver-dns and trust manager handling in netty-handler. The update upgrades Netty to version 4.1.135.Final and Vertx to 4.5.28 to mitigate these issues. Red Hat has rated the security impact as Important and recommends applying the update after ensuring all prior errata are applied.
Potential Impact
The vulnerabilities fixed in this update could allow attackers to bypass authentication and authorization controls, cause denial of service conditions through malformed protocol messages or resource exhaustion, bypass IPv6 subnet rules, and potentially disclose sensitive information or manipulate data due to improper validation. These issues affect core components used in Red Hat build of Quarkus and related products, potentially impacting the security and availability of applications relying on these components.
Mitigation Recommendations
A security update for Red Hat build of Quarkus 3.27.4.SP1 is available and should be applied to remediate the listed vulnerabilities. Red Hat advises ensuring all previously released errata relevant to the system are applied before updating. Detailed instructions for applying the update are available in the Red Hat Customer Portal. No additional mitigation steps are required beyond applying the official update.
Red Hat Security Advisory: Streams for Apache Kafka 3.2.1 release and security update
Description
Red Hat Streams for Apache Kafka, based on the Apache Kafka project, offers a distributed backbone that allows microservices and other applications to share data with extremely high throughput and extremely low latency. This release of Red Hat Streams for Apache Kafka 3.2.1 serves as a replacement for Red Hat Streams for Apache Kafka 3.2.0, and includes security and bug fixes, and enhancements. Security Fix(es): * golang-github-danielqsj-kafka_exporter: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283) * quarkus-vertx-http: io.quarkus:quarkus-vertx-http: Authorization bypass via semicolons in HTTP requests (CVE-2026-39852) * kafka-clients: Apache Kafka Clients: Information disclosure and data corruption due to race condition in producer buffer management (CVE-2026-35554) * log4j-layout-template-json: Apache Log4j JsonTemplateLayout: Denial of Service via invalid JSON output (CVE-2026-34481) * log4j-core: Apache Log4j Core: Invalid XML output causes denial of service in logging (CVE-2026-34480) * log4j-core: Apache Log4j Core: Log injection via CRLF sequences due to configuration attribute renames (CVE-2026-34478) * netty-codec-dns: Netty: High integrity impact due to improper DNS domain name constraint enforcement (CVE-2026-42579) * netty-codec-http: Netty: Incorrect HTTP response parsing leads to data confusion (CVE-2026-42584) * netty-codec-http: Netty: HTTP Request Smuggling due to improper handling of conflicting HTTP/1.0 headers (CVE-2026-42581) * netty-handler-proxy: Netty: HTTP Header Injection via HttpProxyHandler Disabled Validation (CVE-2026-42578) * netty-codec-http: Netty: Denial of Service via unbounded memory allocation in HTTP content decompression (CVE-2026-42587) * netty-codec-http2: Netty: Denial of Service via unbounded memory allocation in HTTP content decompression (CVE-2026-42587) * netty-codec: Netty: Denial of Service via excessive memory allocation in LZ4FrameDecoder (CVE-2026-42583) * netty-codec-compression: Netty: Denial of Service via excessive memory allocation in LZ4FrameDecoder (CVE-2026-42583) * next: Next.js: Authorization bypass via crafted query parameters (CVE-2026-44574) * next: Next.js: Denial of Service via crafted POST requests to server actions (CVE-2026-44579) * next: Next.js: Denial of Service via Image Optimization API (CVE-2026-44577) * next: Next.js: Information disclosure due to middleware bypass in Pages Router with i18n (CVE-2026-44573) * next: Next.js: Server-Side Request Forgery via crafted WebSocket upgrade requests (CVE-2026-44578) * next: Next.js: Information disclosure via security fix bypass in middleware with Turbopack (CVE-2026-45109) * next: Next.js: Unauthorized access to protected content via middleware bypass (CVE-2026-44575) * quarkus-vertx-http: Quarkus: Authorization bypass in HTTP path-based policies via encoded characters (CVE-2026-50559) * golang-github-danielqsj-kafka_exporter: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821) * vertx-core: eclipse-vertx/vert.x: Denial of Service via TLS handshake with wildcard server name (CVE-2026-6860) * netty-handler: netty-handler: IPv6 subnet rule bypass due to incorrect masking operation (CVE-2026-44249) * netty-codec-haproxy: Netty-codec-haproxy: Denial of Service via malformed HAProxy message (CVE-2026-44893) * netty-codec-http2: netty-codec-http2: Denial of Service due to resource leak (CVE-2026-48043) * netty-codec-haproxy: Netty HAProxy PROXY protocol v2 codec: Denial of Service via memory leak from crafted PROXY protocol headers (CVE-2026-48059) * netty-resolver-dns: Netty has Insufficient Bailiwick Validation for NS Records (CVE-2026-47691) * netty-resolver-dns: Netty: Information disclosure and data manipulation due to improper CNAME record validation (CVE-2026-45674) * netty-handler: Netty: Denial of Service due to eager buffer allocation in TLS handshake (CVE-2026-45416) * golang-github-danielqsj-kafka_exporter: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811) * cluster-operator: Cross-namespace privilege escalation via Kafka.spec.entityOperator.watchedNamespace in Strimzi (CVE-2026-55225) * micrometer-core: Micrometer: Denial of Service via specially crafted HTTP requests (CVE-2026-40984) * micrometer-core: Micrometer: Denial of Service via specially crafted gRPC requests (CVE-2026-40983) * golang-github-danielqsj-kafka_exporter: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (CVE-2026-27145) * jackson-databind: jackson-databind: Arbitrary code execution via PolymorphicTypeValidator bypass (CVE-2026-54512) * jackson-databind: Jackson-databind: Denial of Service via deeply nested JSON processing (CVE-2026-50193) * golang-github-danielqsj-kafka_exporter: Golang MIME: Denial of Service via maliciously-crafted MIME header (CVE-2026-42504) * jacks
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Red Hat build of Quarkus 3.27.4.SP1 security update addresses a collection of vulnerabilities spanning multiple components. Key fixes include CVE-2026-50559 (authentication/authorization bypass via advanced path normalization in quarkus-vertx-http), CVE-2026-6860 (denial of service via TLS handshake with wildcard server name in vertx-core), CVE-2026-44249 (IPv6 subnet rule bypass due to incorrect masking in netty-handler), and several denial of service vulnerabilities caused by malformed protocol messages or resource leaks in netty-codec-haproxy and netty-codec-http2. Additional fixes cover information disclosure and data manipulation issues in netty-resolver-dns and trust manager handling in netty-handler. The update upgrades Netty to version 4.1.135.Final and Vertx to 4.5.28 to mitigate these issues. Red Hat has rated the security impact as Important and recommends applying the update after ensuring all prior errata are applied.
Potential Impact
The vulnerabilities fixed in this update could allow attackers to bypass authentication and authorization controls, cause denial of service conditions through malformed protocol messages or resource exhaustion, bypass IPv6 subnet rules, and potentially disclose sensitive information or manipulate data due to improper validation. These issues affect core components used in Red Hat build of Quarkus and related products, potentially impacting the security and availability of applications relying on these components.
Mitigation Recommendations
A security update for Red Hat build of Quarkus 3.27.4.SP1 is available and should be applied to remediate the listed vulnerabilities. Red Hat advises ensuring all previously released errata relevant to the system are applied before updating. Detailed instructions for applying the update are available in the Red Hat Customer Portal. No additional mitigation steps are required beyond applying the official update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:26018
- Cve Count
- 14
- Additional Cves
- ["CVE-2026-44249","CVE-2026-44893","CVE-2026-45416","CVE-2026-45673","CVE-2026-45674","CVE-2026-47244","CVE-2026-47691","CVE-2026-48043","CVE-2026-48059","CVE-2026-50010","CVE-2026-50020","CVE-2026-50559","CVE-2026-50560"]
- State
- PUBLISHED
Threat ID: 6a343cacf198dc38c14e22ee
Added to database: 06/18/2026, 18:45:00 UTC
Last enriched: 08/16/2026, 18:20:40 UTC
Last updated: 09/16/2026, 10:01:34 UTC
Views: 261
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