Red Hat Product Errata RHSA-2026:17789 - Security Advisory Issued: 2026-05-26 Updated: 2026-05-26 RHSA-2026:17789 - Security Advisory Overview Updated Images Synopsis Important: Red Hat build of Cryostat 4.2.0: new RHEL 9 container image security update Type/Severity Security Advisory: Important Topic New Red Hat build of Cryostat 4.2.0 on RHEL 9 container images are now available. Red Hat Product Security has rated this update as having a security impact of Important. 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 The Cryostat 4 on RHEL 9 container images have been updated to fix several bugs. Users of Cryostat 4 on RHEL 9 container images are advised to upgrade to these updated images, which contain backported patches to fix these bugs and add these enhancements. Users of these images are also encouraged to rebuild all container images that depend on these images. Security Fix(es): golang.org/x/image: Denial of Service via malformed WEBP image parsing (CVE-2026-33813) follow-redirects: Information disclosure via cross-domain redirects (CVE-2026-40895) io.quarkus:quarkus-vertx- http: Authorization bypass via semicolons in HTTP requests (CVE-2026-39852) github.com/jackc/pgx: Memory-safety vulnerability (CVE-2026-33815, CVE-2026-33816) github.com/go-jose/go-jose: Go JOSE: Denial of Service via crafted JSON Web Encryption (JWE) object (CVE-2026-34986) lodash: Arbitrary code execution via untrusted input in template imports (CVE-2026-4800) netty: Denial of Service via HTTP/2 CONTINUATION frame flood (CVE-2026-33871) io.netty/netty-codec- http: Request smuggling via incorrect parsing of HTTP/1.1 chunked transfer encoding extension values (CVE-2026-33870) path-to-regexp: Denial of Service via crafted regular expressions (CVE-2026-4926) undici: HTTP Request Smuggling and Denial of Service due to duplicate Content-Length headers (CVE-2026-1525) google.golang.org/grpc: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation (CVE-2026-33186) undici: Denial of Service via unbounded memory consumption during WebSocket permessage-deflate decompression (CVE-2026-1526) undici: Denial of Service via invalid WebSocket permessage-deflate extension parameter (CVE-2026-2229) undici: Denial of Service via crafted WebSocket frame with large length (CVE-2026-1528) io.vertx/vertx-core: static handler component cache can be manipulated to deny the access to static files (CVE-2026-1002) You can find images updated by this advisory in the Red Hat Container Catalog (see the References section). Solution You can download the Cryostat 4 on RHEL 9 container images that this update provides from the Red Hat Container Registry at registry.access.redhat.com. Installation instructions for your platform are available in the Red Hat Container Catalog (see the References section). Dockerfiles and scripts should be amended to refer to this new image specifically or to the latest image generally. Affected Products Cryostat 4 x86_64 Fixes BZ - 2430180 - CVE-2026-1002 io.vertx/vertx-core: static handler component cache can be manipulated to deny the access to static files BZ - 2447142 - CVE-2026-1526 undici: undici: Denial of Service via unbounded memory consumption during WebSocket permessage-deflate decompression BZ - 2447143 - CVE-2026-2229 undici: Undici: Denial of Service via invalid WebSocket permessage-deflate extension parameter BZ - 2447144 - CVE-2026-1525 undici: Undici: HTTP Request Smuggling and Denial of Service due to duplicate Content-Length headers BZ - 2447145 - CVE-2026-1528 undici: undici: Denial of Service via crafted WebSocket frame with large length BZ - 2449833 - CVE-2026-33186 google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation BZ - 2451867 - CVE-2026-4926 path-to-regexp: path-to-regexp: Denial of Service via crafted regular expressions BZ - 2452453 - CVE-2026-33870 io.netty/netty-codec-http: Netty: Request smuggling via incorrect parsing of HTTP/1.1 chunked transfer encoding extension values BZ - 2452456 - CVE-2026-33871 netty: Netty: Denial of Service via HTTP/2 CONTINUATION frame flood BZ - 2453496 - CVE-2026-4800 lodash: lodash: Arbitrary code execution via untrusted input in template imports BZ - 2455470 - CVE-2026-34986 github.com/go-jose/go-jose/v3: github.com/go-jose/go-jose/v4: Go JOSE: Denial of Service via crafted JSON Web Encryption (JWE) object BZ - 2455972 - CVE-2026-33816 github.com/jackc/pgx/v5: github.com/jackc/pgx: Memory-safety vulnerability BZ - 2455975 - CVE-2026-33815 github.com/jackc/pgx/v5: github.com/jackc/pgx: Memory-safety vulnerability BZ - 2457819 - CVE-2026-39852 io.quarkus:quarkus-vertx-http: io.quarkus:quarkus-vertx-http: Authorization bypass via semicolons in HTTP requests BZ - 2460221 - CVE-2026-33813 golang.org/x/image: golang: golang.org/x/image: Denial of Service via malformed WEBP image parsing BZ - 2460297 - CVE-2026-40895 follow-redirects: follow-redirects: Information disclosure via cross-domain redirects CVEs CVE-2024-12086 CVE-2025-14087 CVE-2025-14512 CVE-2026-1002 CVE-2026-1525 CVE-2026-1526 CVE-2026-1528 CVE-2026-2100 CVE-2026-2229 CVE-2026-4519 CVE-2026-4786 CVE-2026-4800 CVE-2026-4878 CVE-2026-4926 CVE-2026-6100 CVE-2026-27877 CVE-2026-29111 CVE-2026-31790 CVE-2026-32282 CVE-2026-32283 CVE-2026-33186 CVE-2026-33813 CVE-2026-33815 CVE-2026-33816 CVE-2026-33870 CVE-2026-33871 CVE-2026-34982 CVE-2026-34986 CVE-2026-39852 CVE-2026-40355 CVE-2026-40356 CVE-2026-40895 CVE-2026-41035 References https://access.redhat.com/security/updates/classification/#important aarch64 cryostat/cryostat-agent-init-rhel9@sha256:5e162295c4cce6d9def315835bfe671bf88f429a9dfbf1ee26bf1858c4702e5b cryostat/cryostat-db-rhel9@sha256:e6a27d9520ca69341235411b7dfab6366f73311fa0147f345c29a90dcb823d81 cryostat/cryostat-grafana-dashboard-rhel9@sha256:8270ad1bdb5394e463b8f688fe39adbfd3177881f3a3ed0e188f5acd07b12747 cryostat/cryostat-openshift-console-plugin-rhel9@sha256:d1b918ec986072f9b35182414d9d785bdcf511044e33070d9e665b832e9bdc97 cryostat/cryostat-operator-bundle@sha256:02939e59fc5fb80eafdb3ccbe30840f5a16c174fc78856dc3ad993e3cbec5ff0 cryostat/cryostat-reports-rhel9@sha256:2842124c4358b187ff5fb7e82ec20dd0b3c6a177fb604ff1087a5e6e0de5a9d0 cryostat/cryostat-rhel9@sha256:0cd0765ead8288d987e54791a82bc9d410370daf45649d704f5f4b1b25827e7f cryostat/cryostat-rhel9-operator@sha256:143275d78803237bd4e9c339beda5a861b6e8de6fae0e55a329f983437595610 cryostat/cryostat-storage-rhel9@sha256:6efb1b537d52c12b59a02929c57b31ae3ee04cfb1f6c091d0e6967212c71f1fb cryostat/jfr-datasource-rhel9@sha256:5f6e2740e4ae7211c2a94e89db535d7be39761da38373763f1ea694211cc2c4f x86_64 cryostat/cryostat-agent-init-rhel9@sha256:05904c67af6e6d63949ea48f330cc3f9c4ce567dcf83b021dfb5360c48f9ae97 cryostat/cryostat-db-rhel9@sha256:9da420fb6051f62e735fc3b4507cfa4faba5cf983a7d3dceb5fd821c52595f8c cryostat/cryostat-grafana-dashboard-rhel9@sha256:ebed34803b5872d40fba925204af828932baba2501dd3cc751802fd2c3c5ef18 cryostat/cryostat-openshift-console-plugin-rhel9@sha256:a8e549b2557877c4e4ce8c13073f912b4fef397aa820bce20902b405778cd588 cryostat/cryostat-operator-bundle@sha256:6c02eb8e3d175bbc9295934f3560652ab0d53d34ad8ebdc6cd573f00ca8fac87 cryostat/cryostat-reports-rhel9@sha256:2d29b9fc42e33af7ec5871fc6753a9922542ab644de5fc661cdd811ce41fc203 cryostat/cryostat-rhel9@sha256:fdd88ec5966a2deea291c4daaa28552056bf3fb88fa027fec0686b36c114f9c9 cryostat/cryostat-rhel9-operator@sha256:b93e4a60ac90f538549f6694d7d016522a325b64731b9c99a2b55a7afac9c1a9 cryostat/cryostat-storage-rhel9@sha256:8c76f05ffe0a2f3dd6b050cd455b48611e4edb16077f0e19dae4be2a52b654c3 cryostat/jfr-datasource-rhel9@sha256:f6a39d2a84f70d7e817be34f17846a76699aa2d554a7a8f1e2f93079eeba6333 The Red Hat security contact is secalert@redhat.com . More contact details at https://access.redhat.com/security/team/contact/ .