UBUNTU-CVE-2026-12816

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...

Memory Allocation with Excessive Size Value

Overview Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value in the BcKeyStoreSpi.engineLoad method, which sizes buffers for the certificate chain array, encoded certificates, encoded key material, entry data, and PBE salts directly from readInt length...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature in the CMSSignedData.verifySignaturesSignerInformationVerifierProvider, boolean method, which iterates the signer set and returns true on loop completion without checking that any signer ...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature in the CMSSignedData.verifySignaturesSignerInformationVerifierProvider, boolean method, which iterates the signer set and returns true on loop completion without checking that any signer ...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the PKMACValueVerifier.isValid and ProtectedPKIMessage.verify verification paths, where PKMACBuilder's default constructor leaves maxIterations = 0 and disables the iteration-count...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the PKMACValueVerifier.isValid and ProtectedPKIMessage.verify verification paths, where PKMACBuilder's default constructor leaves maxIterations = 0 and disables the iteration-count...

Excessive Iteration

Overview Affected versions of this package are vulnerable to Excessive Iteration in the HashRatchet.getint generation method of GroupKeySet, reached through PrivateMessage.unprotect, which loops while nextGeneration generation next; and caches every intermediate KeyGeneration in an unbounded...

Memory Allocation with Excessive Size Value

Overview Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value in the processRecord method of DTLSReliableHandshake, where the DTLSReassembler constructor allocates a bytelength buffer directly from the 24-bit handshake length field without checking it...

Insufficient Verification of Data Authenticity

Overview Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity through a trusted signer-asserted timestamp in the getSignatureTime method of the S/MIME validator, which returns the CMS signingTime signed attribute and passes it to PKIXCertPathReviewer...

Insufficient Verification of Data Authenticity

Overview Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity through a trusted signer-asserted timestamp in the getSignatureTime method of the S/MIME validator, which returns the CMS signingTime signed attribute and passes it to PKIXCertPathReviewer...

Insufficient Verification of Data Authenticity

Overview Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity through a trusted signer-asserted timestamp in the getSignatureTime method of the S/MIME validator, which returns the CMS signingTime signed attribute and passes it to PKIXCertPathReviewer...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the S2K.Argon2Params class and the PGPUtil.makeKeyFromPassPhrase method, which read the one-byte OpenPGP Argon2 passes, parallelism, and memory-size exponent fields with only a...

Memory Allocation with Excessive Size Value

Overview Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value in the readPacket method of UserAttributeSubpacketInputStream, which reads a 5-octet subpacket length up to Integer.MAXVALUE and allocates new bytebodyLen-1 after checking only against a limit...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the S2K.Argon2Params class and the PGPUtil.makeKeyFromPassPhrase method, which read the one-byte OpenPGP Argon2 passes, parallelism, and memory-size exponent fields with only a...

Inadequate Encryption Strength

Overview Affected versions of this package are vulnerable to Inadequate Encryption Strength in the BcKeyStoreSpi.engineLoad method, which for legacy BKS keystore versions 0 and 1 passes hMac.getMacSize 20 bytes for SHA-1 to generateDerivedMacParameters, where PKCS12ParametersGenerator divides it ...

Inadequate Encryption Strength

Overview Affected versions of this package are vulnerable to Inadequate Encryption Strength in the BcKeyStoreSpi.engineLoad method, which for legacy BKS keystore versions 0 and 1 passes hMac.getMacSize 20 bytes for SHA-1 to generateDerivedMacParameters, where PKCS12ParametersGenerator divides it ...

Improper Certificate Validation

Overview Affected versions of this package are vulnerable to Improper Certificate Validation in the isEmailConstrained and isURIConstrained methods of PKIXNameConstraintValidator, which compare rfc822Name and URI subjectAltName values with a bare equalsIgnoreCase and do not strip a trailing dot t...

Improper Certificate Validation

Overview org.bouncycastle:bcprov-jdk15to18 is a Java implementation of cryptographic algorithms. Affected versions of this package are vulnerable to Improper Certificate Validation in the isEmailConstrained and isURIConstrained methods of PKIXNameConstraintValidator, which compare rfc822Name and...

Improper Certificate Validation

Overview Affected versions of this package are vulnerable to Improper Certificate Validation in the isEmailConstrained and isURIConstrained methods of PKIXNameConstraintValidator, which compare rfc822Name and URI subjectAltName values with a bare equalsIgnoreCase and do not strip a trailing dot t...

Improper Input Validation

Overview org.bouncycastle:bcprov-jdk14 is a Java implementation of cryptographic algorithms. Affected versions of this package are vulnerable to Improper Input Validation in the calculateAgreementpub, message method of the DHAgreement class, which raises the peer-supplied message to the power of...