Red Hat Product Errata RHSA-2026:53643 - Security Advisory
Issued:
2026-08-13
Updated:
2026-08-13

RHSA-2026:53643 - Security Advisory

Synopsis

Important: Red Hat build of Quarkus 3.27.5 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 3.27.5 includes the following CVE fixes:

  • scram-common: SCRAM Libraries: Authentication downgrade via TLS man-in-the-middle attack [quarkus-3.27] (CVE-2026-53712)
  • jansi: Jansi: Heap buffer overflow leads to Denial of Service [quarkus-3.27] (CVE-2026-8484)
  • postgresql: pgjdbc: Man-in-the-middle protection bypass via SCRAM-SHA-256-PLUS downgrade [quarkus-3.27] (CVE-2026-54291)
  • sshd-core: Apache MINA SSHD: Unauthorized command execution due to

improper certificate validation [quarkus-3.27] (CVE-2026-56624)

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 information about how to apply this update, see https://access.redhat.com/articles/11258.

Affected Products

  • Red Hat build of Quarkus Text-Only Advisories x86_64

Fixes

  • QUARKUS-8542 - [3.27] Fix native image regression caused by Netty 4.1.136 SslContext API change
  • QUARKUS-8432 - Apply DevUI CORS and Host checks to DevMCP
  • QUARKUS-8431 - Bump com.ongres.scram:scram-client from 3.2 to 3.3 in /bom/application
  • QUARKUS-8430 - Reduce allocation in HTTP instrumentation
  • QUARKUS-8429 - Fix memory leak in REST Client reactive pipelines
  • QUARKUS-8330 - [3.27] Bump the hibernate group across 1 directory with 7 updates
  • QUARKUS-8329 - Bump the hibernate group across 1 directory with 7 updates
  • QUARKUS-8328 - [3.27] Bump jackson to 2.21.4
  • QUARKUS-8327 - Fix null Vert.x log messages showing as NULL in native mode
  • QUARKUS-8326 - [3.27] Switch from org.fusesource.jansi to org.jline:jansi
  • QUARKUS-8325 - [3.27] Harden OIDC debug logs
  • QUARKUS-8324 - [3.27] Bump Agroal to 2.8.2
  • QUARKUS-8323 - Bump graalvm/setup-graalvm from v1.5.3 to v1.5.6
  • QUARKUS-8322 - Bump to Vert.x 4.5.28 and Netty 4.1.135.Final
  • QUARKUS-8321 - Fix CDI request context activation race when Quarkus REST and Reactive Routes are used during the same request
  • QUARKUS-8320 - Merge LambdaConfig with same FQN
  • QUARKUS-8319 - [3.27] Bump the hibernate group with 8 updates
  • QUARKUS-7957 - IllegalStateException: GlobalOpenTelemetry.set has already been called

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.