RHSA-2026:53643HighCVSS 7.3

Red Hat Security Advisory: Red Hat build of Quarkus 3.27.5 release and security update

Published
August 13, 2026
Last Modified
August 13, 2026

🔗 CVE IDs covered (4)

CVE-2026-8484 →CVE-2026-53712 →CVE-2026-54291 →CVE-2026-56624 →

📋 Description

CVE-2026-8484 — jansi: org.fusesource.jansi/jansi: Jansi: Heap buffer overflow leads to Denial of Service CVE-2026-53712 — com.ongres.scram/scram-client: com.ongres.scram/scram-common: SCRAM Libraries: Authentication downgrade via TLS man-in-the-middle attack CVE-2026-54291 — org.postgresql/postgresql: com.ongres.scram/scram-client: pgjdbc: Man-in-the-middle protection bypass via SCRAM-SHA-256-PLUS downgrade CVE-2026-56624 — org.apache.sshd/sshd-core: Apache MINA SSHD: Unauthorized command execution due to improper certificate validation

🎯 Affected products1

  • Red Hat build of Quarkus 3.27.5

✅ Remediation

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. Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

🔗 References (24)