CVE-2026-59642highCWE-354

CVE-2026-59642: fallo de gravedad alta en Legion of the Bouncy Castle Inc. BC-FJA

CMS AuthenticatedData content not bound to MAC when authAttrs present

Publicada el

Seguir esta CVE+ Monitorear BC-JAVA+ Monitorear BC-LTS-JAVA

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

21Vexday Risk Score

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

ssvc Trackcvss 8.7epss 0.3%
In Bouncy Castle for Java before 1.85, CMS AuthenticatedData content not bound to MAC when authAttrs present. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series).
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/U:Amber
Productos afectados
Legion of the Bouncy Castle Inc. · BC-FJALegion of the Bouncy Castle Inc. · BC-JAVALegion of the Bouncy Castle Inc. · BC-LTS-JAVA
CVEs relacionadas — Legion of the Bouncy Castle Inc. BC-FJA

En el mismo producto, de las más peligrosas a las menos.

CVE-2026-5598HIGHNon-constant time comparisons risk private key leakage in FrodoKEM.EPSS 0.9%CVE-2026-3505HIGHUnbounded PGP AEAD chunk size leads to pre-auth resource exhaustion.EPSS 0.8%CVE-2026-5588MEDIUMPKIX draft CompositeVerifier accepts empty signature sequence as valid.EPSS 0.8%CVE-2026-13586MEDIUMPKCS#12 MAC and bag-decryption KDF iteration-count bound (DoS)EPSS 0.6%CVE-2026-58060HIGHHSS public-key level count unbounded, enabling huge allocation on verifyEPSS 0.6%CVE-2025-8885MEDIUMPossible DOS in processing specially formed ASN.1 Object IdentifiersEPSS 0.6%