Product by Legion of the Bouncy Castle

    Bouncy Castle FIPS Java API (BC-FJA) Bc-csharp

    22 known vulnerabilities in Bouncy Castle FIPS Java API (BC-FJA) Bc-csharp (Legion of the Bouncy Castle), 0 of them actively exploited (CISA KEV).

    Key figures

    22

    Vulnerabilities

    0

    Actively exploited (KEV)

    0

    Used by ransomware

    1

    Critical

    Vulnerabilities

    Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.

    Vulnerabilities in Bouncy Castle FIPS Java API (BC-FJA) Bc-csharp (Legion of the Bouncy Castle)
    HighCVE-2026-103603

    Unbounded HSS public key level count allows huge array allocation during signature verification

    also in 5 other products

    7.5
    HighCVE-2026-63566

    DTLS handshake reassembler allocates buffer from unchecked 24-bit length

    also in 5 other products

    7.5
    HighCVE-2026-63574

    Unbounded allocation from OpenPGP signature and user attribute subpacket lengths

    also in 5 other products

    7.5
    HighCVE-2026-63567

    IesEngine block-cipher mode checks padding before MAC (CBC padding oracle)

    also in 5 other products

    7.5
    CriticalCVE-2026-63569

    MTI/A0 DHAgreement does not validate the peer's ephemeral value

    also in 1 other product

    6.5
    HighCVE-2026-63568

    Unbounded CMP/CRMF password-based MAC iteration count allows CPU exhaustion

    also in 5 other products

    7.5
    HighCVE-2026-103600

    Unbounded ASN.1 nesting depth causes process-terminating stack overflow

    also in 1 other product

    7.5
    HighCVE-2026-103604

    Quadratic-time escaping when converting X.509 distinguished names to strings

    also in 5 other products

    7.5
    HighCVE-2026-63578

    Unbounded PBE iteration count when decrypting PKCS#8 private keys

    also in 5 other products

    7.5
    HighCVE-2026-63572

    Unbounded MAC and bag-decryption iteration counts when loading PKCS#12 files

    also in 5 other products

    7.5
    HighCVE-2026-63573

    Bleichenbacher padding oracle in CMS RSA PKCS#1 v1.5 key-transport unwrap

    also in 5 other products

    7.5
    HighCVE-2026-103601

    Legion of the Bouncy Castle Bc-csharp: Improper Validation of Integrity Check Value

    also in 5 other products

    7.5
    HighCVE-2026-16000

    KCcmBlockCipher (DSTU 7624 CCM) tag not bound to nonce when no associated data is used

    also in 5 other products

    7.5
    MediumCVE-2020-15522

    Bouncy Castle FIPS Java API (BC-FJA) Fips Java Api: security vulnerability

    also in 1 other product

    5.9
    HighCVE-2026-63571

    Attribute certificate path validation does not verify the attribute certificate's signature

    also in 5 other products

    7.5
    HighCVE-2026-103602

    Name constraints bypass via trailing dot in rfc822Name, dNSName and URI hosts

    also in 5 other products

    5.3
    HighCVE-2026-15999

    AES-CCM decryption accepts zero or out-of-range tag length, bypassing authentication

    also in 5 other products

    7.5
    HighCVE-2026-63576

    URI name constraints checked against a mis-parsed host

    also in 5 other products

    7.5
    HighCVE-2026-63577

    Legion of the Bouncy Castle Bc-csharp: Improper Certificate Validation

    also in 5 other products

    7.5
    HighCVE-2026-16001

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

    also in 5 other products

    7.5
    HighCVE-2026-63570

    Pkcs12Store.GetCertificateChain loops forever on cyclic issuer links

    also in 5 other products

    7.5
    HighCVE-2026-63575

    PKCS#12 key derivation loops about 2^32 times on a zero or negative iteration count

    also in 5 other products

    7.5

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