RHSA-2026:99017 - Security Advisory

Topic

A security update is now available for Red Hat JBoss Enterprise Application
Platform 8.1. 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

Red Hat JBoss Enterprise Application Platform 8 is a platform for Java
applications based on the WildFly application runtime.

This asynchronous patch is an update for Red Hat JBoss Enterprise Application
Platform 8.1. See Release Notes for information about the most significant bug
fixes and enhancements included in this release.

Security Fix(es):

• bcjmail-jdk18on: Bouncy Castle for Java: Integrity compromise due to insufficient tag-length enforcement in CMS AuthEnvelopedData decryption. [eap-8.1.z] (CVE-2026-12802)
• bcpg-jdk18on: Bouncy Castle for Java: Integrity compromise due to insufficient tag-length enforcement in CMS AuthEnvelopedData decryption. [eap-8.1.z] (CVE-2026-12802)
• bcutil-jdk18on: Bouncy Castle for Java: Integrity compromise due to insufficient tag-length enforcement in CMS AuthEnvelopedData decryption. [eap-8.1.z] (CVE-2026-12802)
• bcpkix-jdk18on: Bouncy Castle for Java: Integrity compromise due to insufficient tag-length enforcement in CMS AuthEnvelopedData decryption. [eap-8.1.z] (CVE-2026-12802)
• bcjmail-jdk18on: Bouncy Castle for Java: Denial of Service via OER parser unbounded recursion [eap-8.1.z] (CVE-2026-59645)
• bcpg-jdk18on: Bouncy Castle for Java: Denial of Service via OER parser unbounded recursion [eap-8.1.z] (CVE-2026-59645)
• bcutil-jdk18on: Bouncy Castle for Java: Denial of Service via OER parser unbounded recursion [eap-8.1.z] (CVE-2026-59645)
• bcpkix-jdk18on: Bouncy Castle for Java: Denial of Service via OER parser unbounded recursion [eap-8.1.z] (CVE-2026-59645)
• bcprov-jdk18on: Bouncy Castle for Java: Denial of Service via OER parser unbounded recursion [eap-8.1.z] (CVE-2026-59645)
• bcprov-jdk18on: Bouncy Castle for Java: Integrity compromise due to insufficient tag-length enforcement in CMS AuthEnvelopedData decryption. [eap-8.1.z] (CVE-2026-12802)
• bcjmail-jdk18on: Bouncy Castle for Java: Cryptographic signature bypass [eap-8.1.z] (CVE-2026-59639)
• bcpg-jdk18on: Bouncy Castle for Java: Cryptographic signature bypass [eap-8.1.z] (CVE-2026-59639)
• bcpkix-jdk18on: Bouncy Castle for Java: Cryptographic signature bypass [eap-8.1.z] (CVE-2026-59639)
• bcprov-jdk18on: Bouncy Castle for Java: Cryptographic signature bypass [eap-8.1.z] (CVE-2026-59639)
• bcjmail-jdk18on: Bouncy Castle for Java: Data integrity bypass due to improper cryptographic binding in CMS AuthenticatedData [eap-8.1.z] (CVE-2026-59642)
• bcpg-jdk18on: Bouncy Castle for Java: Data integrity bypass due to improper cryptographic binding in CMS AuthenticatedData [eap-8.1.z] (CVE-2026-59642)
• bcutil-jdk18on: Bouncy Castle for Java: Data integrity bypass due to improper cryptographic binding in CMS AuthenticatedData [eap-8.1.z] (CVE-2026-59642)
• bcpkix-jdk18on: Bouncy Castle for Java: Data integrity bypass due to improper cryptographic binding in CMS AuthenticatedData [eap-8.1.z] (CVE-2026-59642)
• bcprov-jdk18on: Bouncy Castle for Java: Data integrity bypass due to improper cryptographic binding in CMS AuthenticatedData [eap-8.1.z] (CVE-2026-59642)
• bcjmail-jdk18on: Bouncy Castle for Java: Denial of Service via unbounded HSS public-key level count [eap-8.1.z] (CVE-2026-58060)
• bcpg-jdk18on: Bouncy Castle for Java: Denial of Service via unbounded HSS public-key level count [eap-8.1.z] (CVE-2026-58060)
• bcutil-jdk18on: Bouncy Castle for Java: Denial of Service via unbounded HSS public-key level count [eap-8.1.z] (CVE-2026-58060)
• bcpkix-jdk18on: Bouncy Castle for Java: Denial of Service via unbounded HSS public-key level count [eap-8.1.z] (CVE-2026-58060)
• bcprov-jdk18on: Bouncy Castle for Java: Denial of Service via unbounded HSS public-key level count [eap-8.1.z] (CVE-2026-58060)
• bcpg-jdk18on: Bouncy Castle for Java: Integrity bypass in CCM-family modes [eap-8.1.z] (CVE-2026-58061)
• bcprov-jdk18on: Bouncy Castle for Java: Integrity bypass in CCM-family modes [eap-8.1.z] (CVE-2026-58061)
• sshd-core: Apache MINA SSHD: Asynchronous authentication can bypass signature verification [eap-8.1.z] (CVE-2026-77185)
• jackson-core: jackson-core: Denial of Service via excessively long JSON property names [eap-8.1.z] (CVE-2026-68498)
• bcutil-jdk18on: Bouncy Castle: Certificate validation bypass via missing name constraint checks [eap-8.1.z] (CVE-2026-71889)
• bcjmail-jdk18on: Bouncy Castle: Certificate validation bypass via missing name constraint checks [eap-8.1.z] (CVE-2026-71889)
• bcpg-jdk18on: Bouncy Castle: Certificate validation bypass via missing name constraint checks [eap-8.1.z] (CVE-2026-71889)
• bcprov-jdk18on: Bouncy Castle: Certificate validation bypass via missing name constraint checks [eap-8.1.z] (CVE-2026-71889)
• bcpkix-jdk18on: Bouncy Castle: Certificate validation bypass via missing name constraint checks [eap-8.1.z] (CVE-2026-71889)
• jackson-core: Jackson-core: Denial of Service via unbounded StringBuilder growth during malformed token processing [eap-8.1.z] (CVE-2026-89425)
• jackson-databind: Jackson-databind: Denial of Service via quadratic forward-reference completion [eap-8.1.z] (CVE-2026-91777)
• bcpg-jdk18on: Bouncy Castle: Signature misattribution via missing subkey cross-certification validation [eap-8.1.z] (CVE-2026-71887)
• sshd-core: Apache MINA SSHD: Authentication bypass via duplicate public key presentation [eap-8.1.z] (CVE-2026-93994)
• xmlschema-core: Apache XMLSchema: Denial of Service (DoS) via deeply nested schema structures [eap-8.1.z] (CVE-2026-102496)
• xmlschema-core: Apache XMLSchema: Denial of Service via unbounded recursion during schema parsing [eap-8.1.z] (CVE-2026-102495)
• jackson-core: Jackson-core: Denial of Service via regular expression backtracking [eap-8.1.z] (CVE-2026-89407)
• neethi: Neethi: Denial of Service via crafted WS-Policy documents [eap-8.1.z] (CVE-2026-91866)
• neethi: Apache Neethi: Denial of Service via crafted WS-Policy documents [eap-8.1.z] (CVE-2026-91865)
• neethi: Apache Neethi: Denial of Service via uncontrolled recursion in WS-Policy document parsing [eap-8.1.z] (CVE-2026-91863)
• neethi: Apache Neethi: Denial of Service via crafted WS-Policy documents [eap-8.1.z] (CVE-2026-91864)
• wildfly-server: wildfly: RBAC bypass in WildFly deployment-operation handlers leads to privilege escalation [eap-8.1.z] (CVE-2026-12977)

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 the update, make sure all previously released errata relevant to
your system have been applied. Also, back up your existing installation,
including all applications, configuration files, databases and database
settings. For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258

Affected Products

• JBoss Enterprise Application Platform Text-Only Advisories x86_64

Fixes

• BZ - 2491669 - CVE-2026-12977 org.wildfly.core/wildfly-server: wildfly: RBAC bypass in WildFly deployment-operation handlers leads to privilege escalation
• BZ - 2510189 - CVE-2026-59645 org.bouncycastle/bcprov-jdk15on: org.bouncycastle/bcutil-fips: Bouncy Castle for Java: Denial of Service via OER parser unbounded recursion
• BZ - 2510197 - CVE-2026-59639 org.bouncycastle/bcpkix-jdk15on: org.bouncycastle/bcpkix-fips: Bouncy Castle for Java: Cryptographic signature bypass
• BZ - 2510204 - CVE-2026-59642 org.bouncycastle/bcpkix-jdk15on: org.bouncycastle/bcpkix-fips: Bouncy Castle for Java: Data integrity bypass due to improper cryptographic binding in CMS AuthenticatedData
• BZ - 2510224 - CVE-2026-58061 org.bouncycastle/bc-java: org.bouncycastle/bc-fja: Bouncy Castle for Java: Integrity bypass in CCM-family modes
• BZ - 2510243 - CVE-2026-58060 bouncycastle: Bouncy Castle for Java: Denial of Service via unbounded HSS public-key level count
• BZ - 2510254 - CVE-2026-12802 bouncycastle: bcpkix-fips: Bouncy Castle for Java: Integrity compromise due to insufficient tag-length enforcement in CMS AuthEnvelopedData decryption.
• BZ - 2538243 - CVE-2026-91866 Neethi: Neethi: Denial of Service via crafted WS-Policy documents
• BZ - 2538446 - CVE-2026-91863 org.apache.neethi/neethi: Apache Neethi: Denial of Service via uncontrolled recursion in WS-Policy document parsing
• BZ - 2538720 - CVE-2026-89407 com.fasterxml.jackson/jackson-core: tools.jackson.core/jackson-core: Jackson-core: Denial of Service via regular expression backtracking
• BZ - 2538975 - CVE-2026-91865 org.apache.neethi/neethi: Apache Neethi: Denial of Service via crafted WS-Policy documents
• BZ - 2539034 - CVE-2026-91864 org.apache.neethi/neethi: Apache Neethi: Denial of Service via crafted WS-Policy documents
• BZ - 2539084 - CVE-2026-89425 com.fasterxml.jackson.core/jackson-core: Jackson-core: Denial of Service via unbounded StringBuilder growth during malformed token processing
• BZ - 2539085 - CVE-2026-91777 com.fasterxml.jackson.core/jackson-databind: tools.jackson.core:jackson-databind: Jackson-databind: Denial of Service via quadratic forward-reference completion
• BZ - 2543083 - CVE-2026-102495 org.apache.ws.xmlschema/xmlschema-core: Apache XMLSchema: Denial of Service via unbounded recursion during schema parsing
• BZ - 2543086 - CVE-2026-102496 org.apache.ws.xmlschema/xmlschema-core: Apache XMLSchema: Denial of Service (DoS) via deeply nested schema structures
• BZ - 2543860 - CVE-2026-77185 org.apache.sshd/sshd-core: Apache MINA SSHD: Asynchronous authentication can bypass signature verification
• BZ - 2543862 - CVE-2026-93994 org.apache.sshd/sshd-core: Apache MINA SSHD: Authentication bypass via duplicate public key presentation
• BZ - 2545496 - CVE-2026-71887 org.bouncycastle/bcpg-jdk18on: org.bouncycastle/bcpg-jdk15to18: Bouncy Castle: Signature misattribution via missing subkey cross-certification validation
• BZ - 2545497 - CVE-2026-71889 org.bouncycastle/bcpkix-jdk18on: org.bouncycastle/bcpkix-fips: org.bouncycastle/bcpkix-jdk15on: org.bouncycastle/bcpkix-lts8on: bouncycastle: Bouncy Castle: Certificate validation bypass via missing name constraint checks
• BZ - 2554486 - CVE-2026-68498 com.fasterxml.jackson.core/jackson-core: tools.jackson.core/jackson-core: jackson-core: Denial of Service via excessively long JSON property names
• JBEAP-35049 - (8.1.z) Upgrade WildFly Core from 27.1.20.Final-redhat-00001 to 27.1.21.Final-redhat-00001
• JBEAP-35159 - (8.1.z) Upgrade WildFly HTTP Client from 2.1.4.Final-redhat-00001 to 2.1.5.Final-redhat-00001
• JBEAP-35166 - [GSS](8.1.z) Upgrade ironjacamar from 3.0.22.Final-redhat-00001 to 3.1.0.Final-redhat-00001
• JBEAP-35262 - (8.1.z) Upgrade jackson from 2.18.10.redhat-00001 to 2.18.11
• JBEAP-35293 - (8.1.z) Upgrade ws-xmlschema to version 2.3.3
• JBEAP-35309 - (8.1.z) Upgrade mina-sshd to version 2.20.0
• JBEAP-35632 - (8.1.z) Upgrade BouncyCastle from 1.85 to 1.86 (resolves numerous CVEs)
• JBEAP-35651 - (8.1.z) Upgrade EAP Installer to 8.1.4.GA
• JBEAP-35795 - (8.1.z) Update EAP channel to use wildfly-ee-feature-pack-product-conf x.x.x in EAP 8.1 Update 9.1
• JBEAP-36088 - (8.1.z) Upgrade ironjacamar to version 3.1.1.Final

CVEs

• CVE-2026-12802
• CVE-2026-12977
• CVE-2026-58060
• CVE-2026-58061
• CVE-2026-59639
• CVE-2026-59642
• CVE-2026-59645
• CVE-2026-66143
• CVE-2026-68498
• CVE-2026-71887
• CVE-2026-71889
• CVE-2026-77185
• CVE-2026-89407
• CVE-2026-89425
• CVE-2026-91777
• CVE-2026-91863
• CVE-2026-91864
• CVE-2026-91865
• CVE-2026-91866
• CVE-2026-93994
• CVE-2026-102495
• CVE-2026-102496

References

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