Legion of the Bouncy Castle Legion of the Bouncy Castle Java Cryptography APIs 1.58 up to but not including 1.60 contains a CWE-470: Use of Externally-Controlled Input to Select…

Stapled OCSP response accepted without binding to the checked certificate

MTI/A0 DH agreement exponentiates unvalidated peer value

Name Constraints bypass via trailing dot in rfc822Name and URI

OpenPGP AEAD decryption skips final tag on chunk-aligned data

BKS/UBER keystore allocates from untrusted lengths before integrity check

PKCS#8 / PBES2 decryptors honour unbounded KDF cost from input

An issue was discovered in Legion of the Bouncy Castle BC Java 1.65 and 1.66

MLS membership checks compare a uint32 leaf_index as signed, admitting an out-of-range sender

PKCS#12 MAC and bag-decryption KDF iteration-count bound (DoS)

Lazy ASN.1 sequence forcing resets nesting-depth guard

MLS wire decoder allocates attacker-declared opaque length before bounds check

IESEngine stream-mode MAC forgery via length-dependent KDF split

KCCMBlockCipher MAC does not bind nonce when AAD is absent (cross-nonce AEAD forgery)

CMS AuthEnvelopedData fails to enforce tag-length on decryption

Possible OOM from unbounded up-front allocation on a definite-length read

Quadratic-time escaping when stringifying X.500 distinguished names

HSS public-key level count unbounded, enabling huge allocation on verify

CCM-family modes write plaintext to caller buffer before tag check

CMS verifySignatures returns true for SignedData with zero signers

CMS AuthenticatedData content not bound to MAC when authAttrs present

OpenPGP inline-signature policy failures silently ignored

MLS hash-ratchet honours arbitrary 32-bit generation counter from sender

OER parser recurses without depth limit on self-referential IEEE 1609.2 schema

DTLS handshake reassembler allocates buffer from unchecked 24-bit length

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

BKS keystore accepts legacy version with 16-bit integrity MAC key

The ASN.1 parser in Bouncy Castle Crypto (aka BC Java) 1.63 can trigger a large attempted memory allocation, and resultant OutOfMemoryError error, via crafted ASN.1 data

Bouncy Castle BC 1.54 - 1.59, BC-FJA 1.0.0, BC-FJA 1.0.1 and earlier have a flaw in the Low-level interface to RSA key pair generator, specifically RSA Key Pairs generated in…

In the Bouncy Castle JCE Provider version 1.55 and earlier the DSA key pair generator generates a weak private key if used with default values

In the Bouncy Castle JCE Provider version 1.55 and earlier ECDSA does not fully validate ASN.1 encoding of signature on verification

In the Bouncy Castle JCE Provider versions 1.51 to 1.55, a carry propagation bug was introduced in the implementation of squaring for several raw math classes have been fixed…

In the Bouncy Castle JCE Provider version 1.55 and earlier the ECIES implementation allowed the use of ECB mode

In the Bouncy Castle JCE Provider version 1.55 and earlier the DHIES implementation allowed the use of ECB mode

JSSE hostname verifier CN-fallback enabled by default despite documented opt-in

LDAP filter injection in legacy jdk1.4 LDAPStoreHelper

ML-KEM (Kyber) decapsulation leaks private key information through non-constant-time division in message decoding and ciphertext compression (KyberSlash)

In the Bouncy Castle JCE Provider version 1.55 and earlier the DHIES/ECIES CBC mode vulnerable to padding oracle attack

In the Bouncy Castle JCE Provider version 1.55 and earlier DSA signature generation is vulnerable to timing attack

BouncyCastle TLS prior to version 1.0.3, when configured to use the JCE (Java Cryptography Extension) for cryptographic functions, provides a weak Bleichenbacher oracle when any…

The AES-GCM specification in RFC 5084, as used in Android 5.x and 6.x, recommends 12 octets for the aes-ICVlen parameter field, which might make it easier for attackers to defeat…

RSA PKCS#1 verification skips last two hash bytes in NULL-omitted path

BCFKS keystore load honours unbounded KDF cost from untrusted file

OpenPGP CFB quick-check oracle active on symmetric/session-key paths

S/MIME validator trusts signer-asserted signingTime for path validation

CRMF/CMP password-MAC honours unbounded iteration count

OpenPGP Argon2 S2K honours attacker-chosen memory and passes

Bouncy Castle For Java before 1.74 is affected by an LDAP injection vulnerability

In the Bouncy Castle JCE Provider version 1.55 and earlier the primary engine class used for AES was AESFastEngine

The default BKS keystore use an HMAC that is only 16 bits long, which can allow an attacker to compromise the integrity of a BKS keystore