CVE-2026-5588mediumCWE-327CWE-347

CVE-2026-5588: fallo de gravedad media en Legion of the Bouncy Castle Inc. BC-JAVA

PKIX draft CompositeVerifier accepts empty signature sequence as valid.

Publicada el · Actualizada el

Seguir esta CVE+ Monitorear BC-JAVA+ Monitorear BCPKIX-FIPS

Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.

13Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 6.3epss 0.8%
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.
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/U:Amber
Productos afectados
Legion of the Bouncy Castle Inc. · BC-JAVALegion of the Bouncy Castle Inc. · BCPIX-LTSLegion of the Bouncy Castle Inc. · BCPKIX-FIPS
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