CVE-2026-59647

CVE-2026-59647 : In Bouncy Castle for Java, CRMF/CMP password-MAC honors an unbounded iteration count. Affected: Java version before 1.85; Java LTS before 2.73.12; BC-FJA before bcpkix-fips 1.0.12 (1.0.x), 2.0.12 (2.0.x), and 2.1.12 (2.1.x). Root cause: unbounded iteration in password-based MAC w...

CVE-2026-59647

In Bouncy Castle for Java before 1.85, CRMF/CMP password-MAC honours unbounded iteration count. 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...

CVE-2026-59648

In Bouncy Castle for Java before 1.85, OpenPGP Argon2 S2K honours attacker-chosen memory and passes. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bcpg-fips 1.0.13 1.0.X series, 2.0.13 2.0.X series and 2.1.13 2.1.X series...

CVE-2026-59648

CVE-2026-59648 affects Bouncy Castle for Java: OpenPGP Argon2 S2K accepts attacker-chosen memory parameters. Vulnerable in BC Java before 1.85, in BC Java LTS before 2.73.12, and in BC Java FIPS (bcpg-fips) before 1.0.13 (1.0.x), 2.0.13 (2.0.x), and 2.1.13 (2.1.x). Per NVD, CVSSv4.0 base score 6....

CVE-2026-59648 OpenPGP Argon2 S2K honours attacker-chosen memory and passes

In Bouncy Castle for Java before 1.85, OpenPGP Argon2 S2K honours attacker-chosen memory and passes. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bcpg-fips 1.0.13 1.0.X series, 2.0.13 2.0.X series and 2.1.13 2.1.X series...

CVE-2026-59649 OpenPGP user-attribute subpacket length bounded only by JVM max memory

In Bouncy Castle for Java before 1.85, OpenPGP user-attribute subpacket length bounded only by JVM max memory. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bcpg-fips 1.0.13 1.0.X series, 2.0.13 2.0.X series and 2.1.13 2.1.X serie...

CVE-2026-59651

CVE-2026-59651 affects Bouncy Castle for Java before version 1.85, and BC Java LTS before 2.73.12. The issue is that the BKS keystore may accept a legacy version using a 16‑bit integrity MAC key, exposing potential integrity verification weaknesses. The CVSS score is 7.1 (HIGH) with network attac...

EUVD-2026-52023

In Bouncy Castle for Java before 1.85, BKS keystore accepts legacy version with 16-bit integrity MAC key. This issue also affects Bouncy Castle for Java LTS before 2.73.12...

EUVD-2026-52019

In Bouncy Castle for Java before 1.85, PKCS8 / PBES2 decryptors honour unbounded KDF cost from input. 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...

PT-2026-67235

Name of the Vulnerable Software and Affected Versions Bouncy Castle for Java versions prior to 1.85 Bouncy Castle for Java LTS versions prior to 2.73.12 Bouncy Castle for Java FIPS BC-FJA bcpkix-fips versions prior to 1.0.12 Bouncy Castle for Java FIPS BC-FJA bcpkix-fips versions prior to 2.0.12...

PT-2026-67046

Name of the Vulnerable Software and Affected Versions Bouncy Castle for Java versions prior to 1.85 Bouncy Castle for Java LTS versions prior to 2.73.12 Bouncy Castle for Java FIPS BC-FJA bc-fips versions prior to 1.0.2.7 Bouncy Castle for Java FIPS BC-FJA bc-fips versions prior to 2.0.2 Bouncy...

PT-2026-67232

Name of the Vulnerable Software and Affected Versions Bouncy Castle for Java versions prior to 1.85 Bouncy Castle for Java LTS versions prior to 2.73.12 Bouncy Castle for Java FIPS BC-FJA bcpkix-fips versions prior to 1.0.12 Bouncy Castle for Java FIPS BC-FJA bcpkix-fips versions prior to 2.0.12...

Linux Distros Unpatched Vulnerability : CVE-2026-59639

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In Bouncy Castle for Java before 1.85, CMS verifySignatures returns true for SignedData with zero signers. This issue also affects Bouncy Castle for Java LTS...

PT-2026-67234

Name of the Vulnerable Software and Affected Versions Bouncy Castle for Java versions prior to 1.85 Bouncy Castle for Java LTS versions prior to 2.73.12 Bouncy Castle for Java FIPS BC-FJA bcmail-fips and bcjmail-fips versions prior to 1.0.7 Bouncy Castle for Java FIPS BC-FJA bcmail-fips and...

PT-2026-67343

Name of the Vulnerable Software and Affected Versions Bouncy Castle for Java versions prior to 1.85 Bouncy Castle for Java LTS versions prior to 2.73.12 Bouncy Castle for Java FIPS BC-FJA versions prior to 1.0.2.7 Bouncy Castle for Java FIPS BC-FJA versions prior to 2.0.2 Bouncy Castle for Java...

PT-2026-67227

Name of the Vulnerable Software and Affected Versions Bouncy Castle for Java versions prior to 1.85 Bouncy Castle for Java LTS versions prior to 2.73.12 Bouncy Castle for Java FIPS BC-FJA versions prior to 2.0.2 Bouncy Castle for Java FIPS BC-FJA versions prior to 2.1.3 Description The HSS...

PT-2026-67017

Name of the Vulnerable Software and Affected Versions Bouncy Castle for Java versions prior to 1.85 Bouncy Castle for Java LTS versions prior to 2.73.12 Description An issue exists in the IESEngine where a MAC forgery is possible in stream-mode due to a length-dependent KDF split. KDF refers to a...

PT-2026-67244

Name of the Vulnerable Software and Affected Versions Bouncy Castle for Java versions prior to 1.85 Bouncy Castle for Java LTS versions prior to 2.73.12 Description The BKS keystore accepts a legacy version that utilizes a 16-bit integrity MAC key. A Message Authentication Code MAC is a short pie...

PT-2026-67226

Name of the Vulnerable Software and Affected Versions Bouncy Castle for Java versions prior to 1.85 Bouncy Castle for Java LTS versions prior to 2.73.12 Bouncy Castle for Java FIPS BC-FJA versions prior to 1.0.2.7 Bouncy Castle for Java FIPS BC-FJA versions prior to 2.0.2 Bouncy Castle for Java...

Linux Distros Unpatched Vulnerability : CVE-2026-59641

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In Bouncy Castle for Java before 1.85, S/MIME validator trusts signer-asserted signingTime for path validation. This issue also affects Bouncy Castle for Java L...