RHSA-2026:0761: Important: Red Hat build of Cryostat security update
An update is now available for the Red Hat build of Cryostat 4 on RHEL 9.Security Fix(es): lz4-java: Information Disclosure via Insufficient Output Buffer Clearing (CVE-2025-66566) qs: Denial of Service via improper input validation in array parsing (CVE-2025-15284) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
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Important: Red Hat build of Cryostat security update
— Red Hat
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2026:0761?
RHSA-2026:0761 is an Important security update for the Red Hat build of Cryostat 4.
How do I fix RHSA-2026:0761?
To fix RHSA-2026:0761, ensure that you update to the latest version of the Red Hat build of Cryostat available for RHEL 9.
What vulnerabilities are addressed in RHSA-2026:0761?
RHSA-2026:0761 addresses vulnerabilities including CVE-2025-66566 related to information disclosure and denial of service issues.
What is the impact of CVE-2025-66566 in RHSA-2026:0761?
CVE-2025-66566 can lead to information disclosure due to insufficient output buffer clearing in lz4-java.
Which software versions are affected by RHSA-2026:0761?
RHSA-2026:0761 affects the Red Hat build of Cryostat on RHEL 9.