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-2026-67226

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...

CVE-2026-12816: Improper Validation of Integrity Check Value

In Bouncy Castle for Java before 1.85, IESEngine stream-mode MAC forgery via length-dependent KDF split. This issue also affects Bouncy Castle for Java LTS before 2.73.12...

CVE-2026-59645: Uncontrolled Recursion

In Bouncy Castle for Java before 1.85, OER parser recurses without depth limit on self-referential IEEE 1609.2 schema. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bcutil-fips 2.0.7 2.0.X series and 2.1.7 2.1.X series...

CVE-2026-59649: Memory Allocation with Excessive Size Value

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: Inadequate Encryption Strength

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...

Linux Distros Unpatched Vulnerability : CVE-2026-15055

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, PKCS8 / PBES2 decryptors honour unbounded KDF cost from input. This issue also affects Bouncy Castle for Java LTS before...

Linux Distros Unpatched Vulnerability : CVE-2026-59640

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, OpenPGP CFB quick-check oracle active on symmetric/session-key paths. This issue also affects Bouncy Castle for Java LTS...

Linux Distros Unpatched Vulnerability : CVE-2026-59649

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, OpenPGP user-attribute subpacket length bounded only by JVM max memory. This issue also affects Bouncy Castle for Java LT...

CVE-2026-12803: Improper Validation of Integrity Check Value

In Bouncy Castle for Java before 1.85, KCCMBlockCipher MAC does not bind nonce when AAD is absent cross-nonce AEAD forgery. This issue also affects Bouncy Castle for Java LTS before 2.73.12...

PT-2026-67237

Name of the Vulnerable Software and Affected Versions Bouncy Castle for Java versions prior to 1.85 Description The MLS hash-ratchet mechanism accepts an arbitrary 32-bit generation counter provided by the sender. A hash-ratchet is a cryptographic process used to derive new keys for each message ...

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...

PT-2026-67238

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 bcutil-fips versions prior to 2.0.7 Bouncy Castle for Java FIPS BC-FJA bcutil-fips versions prior to 2.1.7...

PT-2026-67241

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 bcpg-fips versions prior to 1.0.13 Bouncy Castle for Java FIPS BC-FJA bcpg-fips versions prior to 2.0.13 Boun...

PT-2026-67243

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 MTI/A0 DH agreement exponentiates an unvalidated peer value. Diffie-Hellman DH is a method of securely exchanging cryptographic...

Linux Distros Unpatched Vulnerability : CVE-2026-59642

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 AuthenticatedData content not bound to MAC when authAttrs present. This issue also affects Bouncy Castle for Java LTS...

Linux Distros Unpatched Vulnerability : CVE-2026-59645

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, OER parser recurses without depth limit on self-referential IEEE 1609.2 schema. This issue also affects Bouncy Castle for...

Linux Distros Unpatched Vulnerability : CVE-2026-59648

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, OpenPGP Argon2 S2K honours attacker-chosen memory and passes. This issue also affects Bouncy Castle for Java LTS before...

PT-2026-67020

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 RSA PKCS1 verification skips the last two hash bytes when using the NULL-omitted path. Recommendations Update Bouncy Castle for Java...

CVE-2026-59640: Observable Discrepancy

In Bouncy Castle for Java before 1.85, OpenPGP CFB quick-check oracle active on symmetric/session-key paths. 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...