RHSA-2026:28010 - Security Advisory

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

• Cryostat 4 x86_64

Fixes

• BZ - 2456333 - CVE-2026-32281 crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation
• BZ - 2461147 - CVE-2026-41240 DOMPurify: DOMPurify: Cross-Site Scripting (XSS) via inconsistent tag sanitization
• BZ - 2463410 - CVE-2025-48431 Apache Thrift: c_glib: Apache Thrift c_glib: Denial of Service via specially crafted requests
• BZ - 2466660 - CVE-2026-43869 Apache Thrift: Apache Thrift: Security bypass due to improper certificate validation
• BZ - 2477217 - CVE-2026-42579 netty: Netty: High integrity impact due to improper DNS domain name constraint enforcement
• BZ - 2477220 - CVE-2026-42587 netty: io.netty/netty-codec-http: io.netty/netty-codec-http2: Netty: Denial of Service via unbounded memory allocation in HTTP content decompression
• BZ - 2477224 - CVE-2026-42584 netty: io.netty/netty-codec-http: Netty: Incorrect HTTP response parsing leads to data confusion
• BZ - 2477226 - CVE-2026-42578 netty: io.netty/netty-handler-proxy: Netty: HTTP Header Injection via HttpProxyHandler Disabled Validation
• BZ - 2477232 - CVE-2026-42581 netty: io.netty/netty-codec-http: Netty: HTTP Request Smuggling due to improper handling of conflicting HTTP/1.0 headers
• BZ - 2480741 - CVE-2026-9277 shell-quote: shell-quote: Arbitrary code execution via command injection due to unescaped line terminators

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