PKIX draft CompositeVerifier accepts empty signature sequence as valid.

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2026-5588
StatePUBLISHED
Assignerbcorg
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-15 10:16:49 UTC
Updated2026-09-18 13:18:34 UTC
DescriptionUse 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.

Risk And Classification

Primary CVSS: v4.0 6.3 MEDIUM from 91579145-5d7b-4cc5-b925-a0262ff19630

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber

EPSS: 0.007770000 probability, percentile 0.542980000 (date 2026-09-20)

Problem Types: CWE-327 | CWE-347 | CWE-327 CWE-327 Use of a Broken or Risky Cryptographic Algorithm | CWE-347 Improper Verification of Cryptographic Signature

VersionSourceTypeScoreSeverityVector
4.091579145-5d7b-4cc5-b925-a0262ff19630Secondary6.3MEDIUMCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS6.3MEDIUMCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/U:Amber
3.1ADPCVSS7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
3.10b0ca135-0b70-47e7-9f44-1890c2a1c46cSecondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
None
User Interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Legion Of The Bouncy Castle Inc. BC-JAVA affected 1.67 1.80.2 maven all
CNA Legion Of The Bouncy Castle Inc. BC-JAVA affected 1.81 1.81.1 maven all
CNA Legion Of The Bouncy Castle Inc. BC-JAVA affected 1.82 1.84 maven all
CNA Legion Of The Bouncy Castle Inc. BCPKIX-FIPS affected 2.0.6 2.0.11 maven All
CNA Legion Of The Bouncy Castle Inc. BCPKIX-FIPS affected 2.1.7 2.1.11 maven All
CNA Legion Of The Bouncy Castle Inc. BCPIX-LTS affected 2.73.7 2.73.11 maven All
ADP Red Hat Red Hat AMQ Broker 7.12.7 Not specified Not specified
ADP Red Hat Red Hat AMQ Broker 7.13.5 Not specified Not specified
ADP Red Hat Red Hat AMQ Broker 7.14.1 Not specified Not specified
ADP Red Hat Red Hat Build Of Apache Camel 4.14 For Quarkus 3.27 Not specified Not specified
ADP Red Hat Red Hat Build Of Apache Camel 4.18.1 For Spring Boot 3.5.14 Not specified Not specified
ADP Red Hat Red Hat Build Of Apache Camel 4.18.1 For Spring Boot 3.5.14 Not specified Not specified
ADP Red Hat Red Hat Build Of Quarkus 3.20.6.SP1 Not specified Not specified
ADP Red Hat Red Hat Build Of Quarkus 3.27.3.SP1 Not specified Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 7 unaffected 0:2.16.0-22.redhat_00057.1.el7eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 7 unaffected 0:2.3.14-11.SP11_redhat_00001.1.el7eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 7 unaffected 0:1.5.26-2.Final_redhat_00001.1.el7eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 7 unaffected 0:2.18.8-1.redhat_00003.1.el7eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 7 unaffected 0:2.18.8-1.redhat_00003.1.el7eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 7 unaffected 0:2.18.8-1.redhat_00003.1.el7eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 7 unaffected 0:2.18.8-1.redhat_00003.1.el7eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 7 unaffected 0:2.18.8-1.redhat_00003.1.el7eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 7 unaffected 0:2.18.8-1.redhat_00003.1.el7eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 7 unaffected 0:5.0.31-3.SP2_redhat_00001.1.el7eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 7 unaffected 0:1.10.0-46.Final_redhat_00044.1.el7eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 7 unaffected 0:4.1.135-1.Final_redhat_00001.1.el7eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 7 unaffected 0:4.1.135-1.Final_redhat_00001.1.el7eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 7 unaffected 0:2.5.5-30.SP12_redhat_00020.1.el7eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 7 unaffected 0:2.5.5-24.SP12_redhat_00016.1.el7eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 7 unaffected 0:2.2.40-2.SP3_redhat_00001.1.el7eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 7 unaffected 0:7.4.25-2.GA_redhat_00001.1.el7eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 8 unaffected 0:2.16.0-22.redhat_00057.1.el8eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 8 unaffected 0:2.3.14-11.SP11_redhat_00001.1.el8eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 8 unaffected 0:1.5.26-2.Final_redhat_00001.1.el8eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 8 unaffected 0:2.18.8-1.redhat_00003.1.el8eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 8 unaffected 0:2.18.8-1.redhat_00003.1.el8eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 8 unaffected 0:2.18.8-1.redhat_00003.1.el8eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 8 unaffected 0:2.18.8-1.redhat_00003.1.el8eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 8 unaffected 0:2.18.8-1.redhat_00003.1.el8eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 8 unaffected 0:2.18.8-1.redhat_00003.1.el8eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 8 unaffected 0:5.0.31-3.SP2_redhat_00001.1.el8eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 8 unaffected 0:1.10.0-46.Final_redhat_00044.1.el8eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 8 unaffected 0:4.1.135-1.Final_redhat_00001.1.el8eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 8 unaffected 0:4.1.135-1.Final_redhat_00001.1.el8eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 8 unaffected 0:2.5.5-30.SP12_redhat_00020.1.el8eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 8 unaffected 0:2.5.5-24.SP12_redhat_00016.1.el8eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 8 unaffected 0:2.2.40-1.SP3_redhat_00001.1.el8eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 8 unaffected 0:7.4.25-2.GA_redhat_00001.1.el8eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 9 unaffected 0:2.16.0-22.redhat_00057.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 9 unaffected 0:2.3.14-11.SP11_redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 9 unaffected 0:1.5.26-2.Final_redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 9 unaffected 0:2.18.8-1.redhat_00003.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 9 unaffected 0:2.18.8-1.redhat_00003.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 9 unaffected 0:2.18.8-1.redhat_00003.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 9 unaffected 0:2.18.8-1.redhat_00003.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 9 unaffected 0:2.18.8-1.redhat_00003.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 9 unaffected 0:2.18.8-1.redhat_00003.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 9 unaffected 0:5.0.31-3.SP2_redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 9 unaffected 0:1.10.0-46.Final_redhat_00044.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 9 unaffected 0:4.1.135-1.Final_redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 9 unaffected 0:4.1.135-1.Final_redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 9 unaffected 0:2.5.5-30.SP12_redhat_00020.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 9 unaffected 0:2.5.5-24.SP12_redhat_00016.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 9 unaffected 0:2.2.40-1.SP3_redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 9 unaffected 0:7.4.25-2.GA_redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1.7.GA unaffected 1.84.0.redhat-00001 * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 8 unaffected 0:1.84.0-1.redhat_00001.1.el8eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:2.40.0-6.redhat_00012.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:2.0.5-1.redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:2.0.3-1.redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:1.84.0-1.redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:801.6.0-1.GA_redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:1.0.3-1.redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:33.0.0-3.jre_redhat_00004.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:3.7.19-1.Final_redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:6.6.48-1.Final_redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:7.2.6-1.Final_redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:2.1.4-1.redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:3.6.2-1.Final_redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:16.1.0-1.Final_redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:4.0.6-1.redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:4.1.132-1.Final_redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:4.1.132-1.Final_redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:3.6.1-1.redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:3.1.12-1.redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:2.2.21-5.redhat_00003.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:8.1.6-5.GA_redhat_00007.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:1.0.1-4.Final_redhat_00002.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:2.1.4-1.Final_redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:8.1.1-10.GA_redhat_00017.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:2.3.0-1.Final_redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:2.3.0-1.Final_redhat_00001.1.el9eap * rpm Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 unaffected 0:3.0.4-5.redhat_00007.1.el9eap * rpm Not specified
ADP Red Hat OpenShift Developer Tools And Services 4.12 unaffected 1786628667 * rpm Not specified
ADP Red Hat OpenShift Developer Tools And Services 4.13 unaffected 1786628681 * rpm Not specified
ADP Red Hat OpenShift Developer Tools And Services 4.14 unaffected 1786533561 * rpm Not specified
ADP Red Hat OpenShift Developer Tools And Services 4.15 unaffected 1786533565 * rpm Not specified
ADP Red Hat OpenShift Developer Tools And Services 4.16 unaffected 1787125166 * rpm Not specified
ADP Red Hat OpenShift Developer Tools And Services 4.17 unaffected 1787124635 * rpm Not specified
ADP Red Hat OpenShift Developer Tools And Services 4.18 unaffected 1787125069 * rpm Not specified
ADP Red Hat OpenShift Developer Tools And Services 4.19 unaffected 1787124632 * rpm Not specified
ADP Red Hat OpenShift Developer Tools And Services 4.20 unaffected 1787124925 * rpm Not specified
ADP Red Hat OpenShift Developer Tools And Services 4.21 unaffected 1787125311 * rpm Not specified
ADP Red Hat OpenShift Developer Tools And Services 4.22 unaffected 1787124779 * rpm Not specified
ADP Red Hat Red Hat OpenShift Dev Spaces 3.28 unaffected 1779528224 * rpm Not specified
ADP Red Hat Red Hat OpenShift Dev Spaces 3.28 unaffected 1779359423 * rpm Not specified
ADP Red Hat Cryostat 4 Not specified Not specified
ADP Red Hat OpenShift Developer Tools And Services Not specified Not specified
ADP Red Hat OpenShift Developer Tools And Services Not specified Not specified
ADP Red Hat Red Hat AMQ Broker 7 Not specified Not specified
ADP Red Hat Red Hat Build Of Apache Camel 4 For Quarkus 3 Not specified Not specified
ADP Red Hat Red Hat Build Of Apicurio Registry 3 Not specified Not specified
ADP Red Hat Red Hat Build Of Debezium 3 Not specified Not specified
ADP Red Hat Red Hat Data Grid 8 Not specified Not specified
ADP Red Hat Red Hat Data Grid 8 Not specified Not specified
ADP Red Hat Red Hat Data Grid 8 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux 8 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux 8 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux 9 Not specified Not specified
ADP Red Hat Red Hat Fuse 7 Not specified Not specified
ADP Red Hat Red Hat Fuse 7 Not specified Not specified
ADP Red Hat Red Hat Fuse 7 Not specified Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8 Not specified Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8 Not specified Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8 Not specified Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack Not specified Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack Not specified Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack Not specified Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack Not specified Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack Not specified Not specified
ADP Red Hat Red Hat OpenShift AI RHOAI Not specified Not specified
ADP Red Hat Red Hat OpenShift AI RHOAI Not specified Not specified
ADP Red Hat Red Hat Process Automation 7 Not specified Not specified
ADP Red Hat Red Hat Process Automation 7 Not specified Not specified
ADP Red Hat Red Hat Satellite 6 Not specified Not specified
ADP Red Hat Red Hat Satellite 6 Not specified Not specified
ADP Red Hat Red Hat Single Sign-On 7 Not specified Not specified
ADP Red Hat Streams For Apache Kafka 2 Not specified Not specified
ADP Red Hat Streams For Apache Kafka 2 Not specified Not specified
ADP Red Hat Streams For Apache Kafka 3 Not specified Not specified
ADP Red Hat Streams For Apache Kafka 3 Not specified Not specified

References

ReferenceSourceLinkTags
access.redhat.com/errata/RHSA-2026:11721 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:14276 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:60250 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:60248 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:60247 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:18054 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:17668 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:53645 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%905588 91579145-5d7b-4cc5-b925-a0262ff19630 github.com
access.redhat.com/errata/RHSA-2026:18059 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
bugzilla.redhat.com/show_bug.cgi 0b0ca135-0b70-47e7-9f44-1890c2a1c46c bugzilla.redhat.com
access.redhat.com/errata/RHSA-2026:66488 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:60252 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:53646 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:13631 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5588.json 0b0ca135-0b70-47e7-9f44-1890c2a1c46c security.access.redhat.com
access.redhat.com/errata/RHSA-2026:60259 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:60256 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:60239 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:21772 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/security/cve/CVE-2026-5588 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:11720 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
github.com/bcgit/bc-java/commit/656bae0dbd9b1521f840521ff786e78749fe3057 91579145-5d7b-4cc5-b925-a0262ff19630 github.com
access.redhat.com/errata/RHSA-2026:60254 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:60251 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:14272 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:53644 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:18055 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:60246 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:60249 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:53806 MITRE access.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Nicholas Carlini using Claude, Anthropic (en)

Additional Advisory Data

SourceTimeEvent
ADP2026-04-15T10:00:59.672ZReported to Red Hat.
ADP2026-04-15T09:06:15.617ZMade public.

Solutions

ADP: RHSA-2026:53644: Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server

ADP: RHSA-2026:53645: Red Hat JBoss EAP 7.4 ELS for RHEL 8

ADP: RHSA-2026:18054: Red Hat JBoss EAP 8.1 for RHEL 8

ADP: RHSA-2026:53646: Red Hat JBoss EAP 7.4 ELS for RHEL 9

ADP: RHSA-2026:18055: Red Hat JBoss EAP 8.1 for RHEL 9

ADP: RHSA-2026:60247: OpenShift Developer Tools and Services 4.12

ADP: RHSA-2026:60249: OpenShift Developer Tools and Services 4.13

ADP: RHSA-2026:60248: OpenShift Developer Tools and Services 4.14

ADP: RHSA-2026:60239: OpenShift Developer Tools and Services 4.15

ADP: RHSA-2026:60251: OpenShift Developer Tools and Services 4.16

ADP: RHSA-2026:60246: OpenShift Developer Tools and Services 4.17

ADP: RHSA-2026:60250: OpenShift Developer Tools and Services 4.18

ADP: RHSA-2026:60252: OpenShift Developer Tools and Services 4.19

ADP: RHSA-2026:60259: OpenShift Developer Tools and Services 4.20

ADP: RHSA-2026:60254: OpenShift Developer Tools and Services 4.21

ADP: RHSA-2026:60256: OpenShift Developer Tools and Services 4.22

ADP: RHSA-2026:14276: Red Hat AMQ Broker 7.12.7

ADP: RHSA-2026:14272: Red Hat AMQ Broker 7.13.5

ADP: RHSA-2026:66488: Red Hat AMQ Broker 7.14.1

ADP: RHSA-2026:13631: Red Hat Build of Apache Camel 4.14 for Quarkus 3.27

ADP: RHSA-2026:18059: Red Hat JBoss Enterprise Application Platform 8.1.7.GA

ADP: RHSA-2026:21772: Red Hat OpenShift Dev Spaces 3.28

ADP: RHSA-2026:17668: Red Hat build of Apache Camel 4.18.1 for Spring Boot 3.5.14

ADP: RHSA-2026:11720: Red Hat build of Quarkus 3.20.6.SP1

ADP: RHSA-2026:11721: Red Hat build of Quarkus 3.27.3.SP1

Workarounds

ADP: To mitigate this flaw, check that the signature sequence is not empty before passing any data to the CompositeVerifier for cryptographic validation. If the sequence is empty or null, explicitly reject the payload before it is processed.

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