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bouncycastle: BC-JAVA: private key leakage via non-constant time comparisons

🗓️ 30 Apr 2026 11:14:58Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 9 Views

Bouncy Castle Java core FrodoKEM timing channel leaks private keys via non constant time comparisons.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: SPSS Collaboration and Deployment Services is affected by vulnerabilities in Bouncy Castle Crypto (CVE-2025-14813, CVE-2026-5598)
21 May 202615:57
–ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in IBM Rational Developer for i (CVE-2026-3505, CVE-2025-14813, CVE-2026-0636, CVE-2026-5598, CVE-2026-33671, CVE-2026-33672, CVE-2026-5588, CVE-2026-40175)
8 Jun 202613:55
–ibm
IBM Security Bulletins		Security Bulletin: MongoDB Enterprised Advanced affected by: Use of a Broken or Risky Cryptographic Algorithm, Covert Timing Channel (CVE-2025-14813, CVE-2026-5598)
16 Jun 202614:10
–ibm
IBM Security Bulletins		Security Bulletin: IBM Sterling Control Center is affected by vulnerabilities in Bouncy Castle bcprov-jdk (CVE-2025-14813, CVE-2026-5598)
27 May 202614:02
–ibm
IBM Security Bulletins		Security Bulletin: Multiple security vulnerabilities in IBM Business Automation Manager Open Editions
1 Jul 202617:37
–ibm
IBM Security Bulletins		Security Bulletin: IBM® Db2® is affected by vulnerabilities in bcprov-jdk18on-1.82 and bcpkix-jdk18on-1.82.
23 Jun 202619:54
–ibm
IBM Security Bulletins		Security Bulletin: IBM Sterling Connect:Direct Web Services is Affected by broken or risky algorithm.
17 Jun 202606:42
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerability affect cryptography-46.0.5, and bcprov-jdk18on-1.82.jar IBM COS Systems (July 2026)
14 Jul 202615:47
–ibm
IBM Security Bulletins		Security Bulletin: IBM ApplinX is vulnerable to multiple vulnerabilities due to the use of Bouncy Castle library (CVE-2023-33202, CVE-2025-8916, CVE-2026-5588, CVE-2025-14813, CVE-2026-5598, CVE-2026-0636)
19 Jun 202608:51
–ibm
IBM Security Bulletins		Security Bulletin: IBM App Connect Enterprise is vulnerable to multiple vulnerabilities due to Bouncy Castle (CVE-2026-0636,CVE-2026-5598,CVE-2026-5588&CVE-2026-3505)
29 Jun 202608:48
–ibm
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7noarcheap7-bouncycastle1.84.0-1.redhat_00001.1.el7eapeap7-bouncycastle-1.84.0-1.redhat_00001.1.el7eap.noarch.rpm
Red Hat Enterprise Linux8noarcheap7-bouncycastle1.84.0-1.redhat_00001.1.el8eapeap7-bouncycastle-1.84.0-1.redhat_00001.1.el8eap.noarch.rpm
Red Hat Enterprise Linux9noarcheap7-bouncycastle1.84.0-1.redhat_00001.1.el9eapeap7-bouncycastle-1.84.0-1.redhat_00001.1.el9eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-bouncycastle-mail1.84.0-1.redhat_00001.1.el7eapeap7-bouncycastle-mail-1.84.0-1.redhat_00001.1.el7eap.noarch.rpm
Red Hat Enterprise Linux8noarcheap7-bouncycastle-mail1.84.0-1.redhat_00001.1.el8eapeap7-bouncycastle-mail-1.84.0-1.redhat_00001.1.el8eap.noarch.rpm
Red Hat Enterprise Linux9noarcheap7-bouncycastle-mail1.84.0-1.redhat_00001.1.el9eapeap7-bouncycastle-mail-1.84.0-1.redhat_00001.1.el9eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-bouncycastle-pg1.84.0-1.redhat_00001.1.el7eapeap7-bouncycastle-pg-1.84.0-1.redhat_00001.1.el7eap.noarch.rpm
Red Hat Enterprise Linux8noarcheap7-bouncycastle-pg1.84.0-1.redhat_00001.1.el8eapeap7-bouncycastle-pg-1.84.0-1.redhat_00001.1.el8eap.noarch.rpm
Red Hat Enterprise Linux9noarcheap7-bouncycastle-pg1.84.0-1.redhat_00001.1.el9eapeap7-bouncycastle-pg-1.84.0-1.redhat_00001.1.el9eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-bouncycastle-pkix1.84.0-1.redhat_00001.1.el7eapeap7-bouncycastle-pkix-1.84.0-1.redhat_00001.1.el7eap.noarch.rpm
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30 Jun 2026 04:17Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.17.5
CVSS 49.9
EPSS0.00691
SSVC
CWE-385
bouncy castlejava corefrodokemtiming channelprivate keysnon constant timevulnerability
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