- Issued:
- 2026-06-10
- Updated:
- 2026-06-10
RHSA-2026:23808 - Security Advisory
Synopsis
Important: Red Hat build of Quarkus 3.27.4 release and security update
Type/Severity
Security Advisory: Important
Topic
An update is now available for Red Hat build of Quarkus.
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. For more information, see the CVE links in the References section.
Description
This release of Red Hat build of Quarkus 3.27.4 includes the following CVE fixes:
- netty-codec-dns: Netty: High integrity impact due to improper DNS domain name constraint enforcement [quarkus-3.27] (CVE-2026-42579)
- netty-codec-http: Netty: Incorrect HTTP response parsing leads to data confusion [quarkus-3.27] (CVE-2026-42584)
- netty-codec-http: Netty: HTTP Request Smuggling due to improper handling of conflicting HTTP/1.0 headers [quarkus-3.27] (CVE-2026-42581)
- netty-handler-proxy: Netty: HTTP Header Injection via HttpProxyHandler Disabled Validation [quarkus-3.27] (CVE-2026-42578)
- netty-codec-http: Netty: Denial of Service via unbounded memory allocation in HTTP content decompression [quarkus-3.27] (CVE-2026-42587)
- netty-codec-http2: Netty: Denial of Service via unbounded memory allocation in HTTP content decompression [quarkus-3.27] (CVE-2026-42587)
For more information, see the release notes page listed in the References section.
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 build of Quarkus Text-Only Advisories x86_64
Fixes
- QUARKUS-6793 - [Migration to 3.27] Random test failures during the CI
- QUARKUS-7610 - Graceful shutdown process stalls until quarkus.shutdown.timeout is reached since 3.27.3.redhat-00003
- QUARKUS-7615 - [3.27] Upgrade to Jackson 2.21.2
- QUARKUS-7616 - [3.27] Bump Agroal to 2.8.1
- QUARKUS-7617 - [3.27] Upgrade to Vert.x 4.5.26 and Netty 4.1.132.Final
- QUARKUS-7618 - [3.27] Update to plexus-utils 3.6.1
- QUARKUS-7619 - [3.27] Bump kafka3.version from 4.0.0 to 4.0.2
- QUARKUS-7620 - Bump bouncycastle to 1.84
- QUARKUS-7621 - Properly configure Jackson shutdown listener
- QUARKUS-7622 - Catch StreamConstraintsException in Jackson message body readers
- QUARKUS-7623 - Fix path templating issue for overlapping paths
- QUARKUS-7624 - Ensure that invalid forwarded headers results in HTTP 400
- QUARKUS-7625 - Do not create a public key in devmode when 'smallrye.jwt.verify.key.location' is set
- QUARKUS-7626 - Fix Oracle connection rollback interceptor
- QUARKUS-7627 - Use getRecommended() when displaying platforms to be imported in quarkus info command
- QUARKUS-7628 - [3.27] Fix flaky LRA TCK tests
- QUARKUS-7630 - Remove the org.lz4 exclusion, it's no longer necessary
- QUARKUS-7631 - Remove the tech preview note from reactive-sql-clients.adoc
- QUARKUS-7632 - [3.27] Quarkus REST: fix @Context injection for records into 3.27
- QUARKUS-7633 - [3.27] Bump the hibernate group with 7 updates
- QUARKUS-7664 - [3.27] Bump the hibernate group with 8 updates
- QUARKUS-7774 - [3.27] Strip matrix parameters from request paths during HTTP security policy matching
- QUARKUS-7775 - Bump org.postgresql:postgresql from 42.7.7 to 42.7.8
- QUARKUS-7776 - Upgrade to PostgreSQL JDBC 42.7.9
- QUARKUS-7777 - build(deps): bump org.postgresql:postgresql from 42.7.9 to 42.7.10
- QUARKUS-7778 - Bump postgresql-jdbc.version to 42.7.11
- QUARKUS-7779 - Bump to Vert.x 4.5.27 and Netty 4.1.133.Final
- QUARKUS-7780 - Bump to quarkus-http 5.5.0
- QUARKUS-7781 - Fix Jakarta Transaction link on transaction.adoc documentation
- QUARKUS-7812 - [3.27] Bump the hibernate group with 7 updates
- QUARKUS-7813 - [3.27] Pin actions to specific shas, and avoid using external actions when we can
References
- https://access.redhat.com/security/updates/classification/#important
- https://access.redhat.com/products/quarkus/
- https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=redhat.quarkus&downloadType=distributions&version=3.27.4
- https://docs.redhat.com/en/documentation/red_hat_build_of_quarkus/3.27
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.