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6.3 Medium

CVE-2026-5588 Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc

Description

Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix on all (pkix modules), Legion of the Bouncy Castle Inc. BCPKIX-FIPS bcpkix on All (pkix modules), Legion of the Bouncy Castle Inc. BCPIX-LTS bcpkix on All (pkix modules). This vulnerability is associated with program files JcaContentVerifierProviderBuilder.Java, JcaContentVerfierProviderBuilder.Java. This issue affects BC-JAVA: from 1.67 before 1.80.2, from 1.81 before 1.81.1, from 1.82 before 1.84; BCPKIX-FIPS: from 2.0.6 before 2.0.11, from 2.1.7 before 2.1.11; BCPIX-LTS: from 2.73.7 before 2.73.11.

Affected products and versions

Product Affected versions Fixed in
BC-JAVA 1.82 1.82 → < 1.84 1.84
BC-JAVA 1.81 1.81 → < 1.81.1 1.81.1
BC-JAVA 1.67 1.67 → < 1.80.2 1.80.2
BCPKIX-FIPS 2.1 2.1.7 → < 2.1.11 2.1.11
BCPKIX-FIPS 2.0 2.0.6 → < 2.0.11 2.0.11
BCPIX-LTS 2.73 2.73.7 → < 2.73.11 2.73.11
Red Hat JBoss EAP 8.1 for RHEL 8 Versions not published
Red Hat JBoss EAP 8.1 for RHEL 9 Versions not published
Red Hat AMQ Broker 7.12.7 Versions not published
Show the 45 other branches
Product Affected versions Fixed in
Red Hat AMQ Broker 7.13.5 Versions not published
Red Hat Build of Apache Camel 4.14 for Quarkus 3.27 Versions not published
Red Hat JBoss Enterprise Application Platform 8.1 Versions not published
Red Hat OpenShift Dev Spaces 3.28 1779359423 earliest → < 1779359423 1779359423
Red Hat build of Apache Camel 4.18.1 for Spring Boot 3.5.14 Versions not published
Red Hat build of Quarkus 3.20.6.SP1 Versions not published
Red Hat build of Quarkus 3.27.3.SP1 Versions not published
OpenShift Developer Tools and Services Versions not published
Red Hat build of Apache Camel 4 for Quarkus 3 Versions not published
Red Hat build of Apicurio Registry 3 Versions not published
Red Hat build of Debezium 3 Versions not published
Red Hat Enterprise Linux 8 Versions not published
Red Hat Fuse 7 Versions not published
Red Hat JBoss Enterprise Application Platform 7 Versions not published
Red Hat OpenShift AI (RHOAI) Versions not published
Red Hat Process Automation 7 Versions not published
Red Hat Single Sign-On 7 Versions not published
Cryostat 4 Versions not published
Red Hat AMQ Broker 7 Versions not published
Red Hat Data Grid 8 Versions not published
Red Hat Enterprise Linux 9 Versions not published
Red Hat JBoss Enterprise Application Platform Expansion Pack Versions not published
Red Hat Satellite 6 Versions not published
streams for Apache Kafka 2 Versions not published
streams for Apache Kafka 3 Versions not published
Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 Versions not published
Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 Versions not published
Red Hat JBoss Enterprise Application Platform 7.4.25 Versions not published
Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Versions not published
OpenShift Developer Tools and Services 4.12 1786628667 earliest → < 1786628667 1786628667
OpenShift Developer Tools and Services 4.13 1786628681 earliest → < 1786628681 1786628681
OpenShift Developer Tools and Services 4.14 1786533561 earliest → < 1786533561 1786533561
OpenShift Developer Tools and Services 4.15 1786533565 earliest → < 1786533565 1786533565
OpenShift Developer Tools and Services 4.16 1787125166 earliest → < 1787125166 1787125166
OpenShift Developer Tools and Services 4.17 1787124635 earliest → < 1787124635 1787124635
OpenShift Developer Tools and Services 4.18 1787125069 earliest → < 1787125069 1787125069
OpenShift Developer Tools and Services 4.19 1787124632 earliest → < 1787124632 1787124632
OpenShift Developer Tools and Services 4.20 1787124925 earliest → < 1787124925 1787124925
OpenShift Developer Tools and Services 4.21 1787125311 earliest → < 1787125311 1787125311
OpenShift Developer Tools and Services 4.22 1787124779 earliest → < 1787124779 1787124779
Red Hat AMQ Broker 7.14.1 Versions not published
Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 Versions not published
Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 Versions not published
Red Hat JBoss Enterprise Application Platform 8.1.7.GA 1.84 earliest → < 1.84.0.redhat-00001 1.84.0.redhat-00001
Red Hat JBoss Enterprise Application Platform 8 Versions not published

References

Timeline

  1. Published
  2. Last modified

Other CVEs of BC-JAVA

The 52 CVEs of BC-JAVA →
CVE-2026-71890 In Bouncy Castle for Java before 1.86, validation of an MLS (RFC 9420) external commit's proposal list,… 8.7 High CVE-2026-71891 In Bouncy Castle for Java before 1.86, BLS12_381BasicScheme.keyValidate, and so BLSPublicKeyParameters and every… 7.1 High CVE-2026-18040 In Bouncy Castle for Java before 1.86, HQC leaked secret-derived data through two side channels: its GF(2^8)… 5.9 Medium CVE-2026-71885 In Bouncy Castle for Java before 1.86, the Messaging Layer Security (MLS, RFC 9420) implementation did not bind an X.509… 9.2 Critical
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