- Issued:
- 2026-08-12
- Updated:
- 2026-08-12
RHSA-2026:54435 - Security Advisory
Synopsis
Important: Streams for Apache Kafka 3.2.1 release and security update
Type/Severity
Security Advisory: Important
Topic
Streams for Apache Kafka 3.2.1 is now available from the Red Hat Customer Portal.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
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)
- jackson-databind: Jackson-databind: Security bypass allows arbitrary code execution (CVE-2026-54513)
- vertx-core: Eclipse Vert.x: Information disclosure via improper handling of HTTP 30x redirects (CVE-2026-15075)
- vertx-core-logging: Eclipse Vert.x: Information disclosure via improper handling of HTTP 30x redirects (CVE-2026-15075)
- smallrye-mutiny-vertx-core: Eclipse Vert.x: Information disclosure via improper handling of HTTP 30x redirects (CVE-2026-15075)
- js-yaml: js-yaml: Denial of Service via crafted YAML documents (CVE-2026-59869)
- resteasy-reactive-client-processor: Quarkus REST - Unbounded multipart MIME part-header accumulation allows remote OOM denial of service (CVE-2026-16308)
- resteasy-reactive-common-processor: Quarkus REST - Unbounded multipart MIME part-header accumulation allows remote OOM denial of service (CVE-2026-16308)
- vertx-web-common: Eclipse Vert.x Web Client: Information disclosure via improper cookie domain validation (CVE-2026-15076)
- netty-codec-http: Netty: Denial of Service via SPDY header decompression amplification (CVE-2026-55833)
- netty-codec-http: Netty: Denial of Service via SPDY SETTINGS frame processing (CVE-2026-55831)
- netty-codec-http: Netty: Denial of Service via memory exhaustion in SPDY-to-HTTP codec (CVE-2026-56745)
- netty-codec-http: Netty: Security control bypass allows unauthorized requests via null origin header (CVE-2026-56746)
- netty-codec-http2: Netty: Denial of Service via HTTP/2 DATA frame memory leak (CVE-2026-56819)
- netty-codec-http: Netty: Memory exhaustion in netty-codec-http (decompression bomb) (CVE-2026-59899)
- netty-codec-compression: Netty: Infinite loop in netty-codec-compression (bzip2) (CVE-2026-59901)
- jetty-server: Eclipse Jetty: Information disclosure due to retained HTTP/1.1 trailers across connections (CVE-2026-10051)
- postcss: PostCSS: Information disclosure via crafted sourceMappingURL (CVE-2026-69153)
- next: Next.js: Denial of Service via excessive memory consumption in Server Actions (CVE-2026-64646)
- next: Next.js: Information disclosure via server-side fetch cache (CVE-2026-64648)
- next: Next.js: Server-Side Request Forgery vulnerability (CVE-2026-64645)
- next: Next.js: Server-Side Request Forgery via malicious host redirection in Server Actions (CVE-2026-64649)
- next: Next.js: Denial of Service via malicious image optimization (CVE-2026-64644)
- next: Next.js: Denial of Service via crafted requests to App Router with Server Actions (CVE-2026-64641)
- netty-codec-http2: Netty MadeYouReset HTTP/2 DDoS Vulnerability
- dompurify: DOMPurify: Cross-site scripting vulnerability allows code execution (CVE-2026-49978)
Solution
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
For details on how to apply this update, refer to:
Affected Products
- Red Hat JBoss Middleware 1 x86_64
Fixes
(none)CVEs
- CVE-2026-6860
- CVE-2026-10051
- CVE-2026-15075
- CVE-2026-15076
- CVE-2026-16308
- CVE-2026-27145
- CVE-2026-32283
- CVE-2026-33811
- CVE-2026-34478
- CVE-2026-34480
- CVE-2026-34481
- CVE-2026-35554
- CVE-2026-39821
- CVE-2026-39852
- CVE-2026-40983
- CVE-2026-40984
- CVE-2026-42504
- CVE-2026-42578
- CVE-2026-42579
- CVE-2026-42581
- CVE-2026-42583
- CVE-2026-42584
- CVE-2026-42587
- CVE-2026-44249
- CVE-2026-44573
- CVE-2026-44574
- CVE-2026-44575
- CVE-2026-44577
- CVE-2026-44578
- CVE-2026-44579
- CVE-2026-44893
- CVE-2026-45109
- CVE-2026-45416
- CVE-2026-45674
- CVE-2026-47691
- CVE-2026-48043
- CVE-2026-48059
- CVE-2026-49978
- CVE-2026-50193
- CVE-2026-50559
- CVE-2026-54512
- CVE-2026-54513
- CVE-2026-55225
- CVE-2026-55831
- CVE-2026-55833
- CVE-2026-56745
- CVE-2026-56746
- CVE-2026-56819
- CVE-2026-59869
- CVE-2026-59899
- CVE-2026-59901
- CVE-2026-64641
- CVE-2026-64644
- CVE-2026-64645
- CVE-2026-64646
- CVE-2026-64648
- CVE-2026-64649
- CVE-2026-69153
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/