Fluid Attacks Database

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.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem	Component	Affected version	Patched versions
debian 13	bouncycastle	=1.80-3	-
debian 14	bouncycastle	=1.80-3	-
maven	org.bouncycastle:bcpkix-debug-jdk15to18	>=1.49 <1.84	1.84
debian 11	bouncycastle	=1.68-2 \|\| =1.68-3 \|\| =1.68-4 \|\| =1.68-5 \|\| =1.69-1 \|\| =1.71-1 \|\| =1.72-1 \|\| =1.72-2 \|\| =1.77-1 \|\| =1.80-1 \|\| =1.80-2 \|\| =1.80-3	-
debian 12	bouncycastle	=1.72-2 \|\| =1.77-1 \|\| =1.80-1 \|\| =1.80-2 \|\| =1.80-3	-
rpm rhel8	resteasy	-	-
maven	org.bouncycastle:bcpkix-jdk18on	>=1.49 <1.84	1.84
maven	org.bouncycastle:bcpkix-jdk15to18	>=1.49 <1.84	1.84
maven	org.bouncycastle:bcpkix-jdk15on	>=1.49 <1.84	1.84
maven	org.bouncycastle:bcpkix-jdk14	>=1.49 <1.84	1.84

1-10 of 12

Aliases

1. CVE-2026-55882. NVD-2026-55883. OSV-DEBIAN-2026-55884. OSV-2026-55885. GCVE-2026-55886. SECURITY-TRACKER-CVE-2026-5588

References

1. https://github.com/bcgit/bc-java/commit/656bae0dbd9b1521f840521ff786e78749fe30572. https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%905588

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