Issued:

2026-06-22

Updated:

2026-06-22

RHSA-2026:28010 - Important: Red Hat build of Cryostat security update

Synopsis

Important: Red Hat build of Cryostat security update

Type/Severity

Security Advisory Important

Topic

An update is now available for the Red Hat build of Cryostat 4 on RHEL 9.

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

An update is now available for the Red Hat build of Cryostat 4 on RHEL 9.

Security Fix(es):

• DOMPurify: Cross-Site Scripting (XSS) via inconsistent tag sanitization (CVE-2026-41240)
• crypto/x509: Denial of Service via inefficient certificate chain validation (CVE-2026-32281)
• shell-quote: Arbitrary code execution via command injection due to unescaped line terminators (CVE-2026-9277)
• Apache Thrift: Security bypass due to improper certificate validation (CVE-2026-43869)
• Netty: High integrity impact due to improper DNS domain name constraint enforcement (CVE-2026-42579)
• Netty: Incorrect HTTP response parsing leads to data confusion (CVE-2026-42584)
• Netty: HTTP Request Smuggling due to improper handling of conflicting HTTP/1.0 headers (CVE-2026-42581)
• Netty: HTTP Header Injection via HttpProxyHandler Disabled Validation (CVE-2026-42578)
• Netty: Denial of Service via unbounded memory allocation in HTTP content decompression (CVE-2026-42587)
• Apache Thrift c_glib: Denial of Service via specially crafted requests (CVE-2025-48431)

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.

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:

https://access.redhat.com/articles/11258

Affected Products

Fixes

• This content is not included.BZ - 2456333
• This content is not included.BZ - 2461147
• This content is not included.BZ - 2463410
• This content is not included.BZ - 2466660
• This content is not included.BZ - 2477217
• This content is not included.BZ - 2477220
• This content is not included.BZ - 2477224
• This content is not included.BZ - 2477226
• This content is not included.BZ - 2477232
• This content is not included.BZ - 2480741

CVEs

• CVE-2025-48431
• CVE-2026-3832
• CVE-2026-3833
• CVE-2026-4046
• CVE-2026-4437
• CVE-2026-4438
• CVE-2026-5260
• CVE-2026-5419
• CVE-2026-7383
• CVE-2026-9076
• CVE-2026-9277
• CVE-2026-29518
• CVE-2026-32281
• CVE-2026-33845
• CVE-2026-33846
• CVE-2026-34180
• CVE-2026-34181
• CVE-2026-34182
• CVE-2026-34183
• CVE-2026-35177
• CVE-2026-41240
• CVE-2026-42009
• CVE-2026-42010
• CVE-2026-42011
• CVE-2026-42012
• CVE-2026-42013
• CVE-2026-42014
• CVE-2026-42015
• CVE-2026-42578
• CVE-2026-42579
• CVE-2026-42581
• CVE-2026-42584
• CVE-2026-42587
• CVE-2026-42764
• CVE-2026-42766
• CVE-2026-42767
• CVE-2026-42768
• CVE-2026-42769
• CVE-2026-42770
• CVE-2026-43618
• CVE-2026-43869
• CVE-2026-45186
• CVE-2026-45445
• CVE-2026-45446
• CVE-2026-45447

References

• https://access.redhat.com/security/updates/classification/#important

Additional information

• The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at Security Contacts and Procedures.
• Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.