Improper Validation of Integrity Check Value

Overview Affected versions of this package are vulnerable to Improper Validation of Integrity Check Value in CMS AuthEnvelopedData recipient processing, where AbstractRecipient and its recipient classes such as JceKeyTransRecipient and BcKeyTransRecipient take the AEAD tag length from the...

Improper Validation of Integrity Check Value

Overview Affected versions of this package are vulnerable to Improper Validation of Integrity Check Value in CMS AuthEnvelopedData recipient processing, where AbstractRecipient and its recipient classes such as JceKeyTransRecipient and BcKeyTransRecipient take the AEAD tag length from the...

Improper Validation of Integrity Check Value

Overview Affected versions of this package are vulnerable to Improper Validation of Integrity Check Value in CMS AuthEnvelopedData recipient processing, where AbstractRecipient and its recipient classes such as JceKeyTransRecipient and BcKeyTransRecipient take the AEAD tag length from the...

Improper Validation of Integrity Check Value

Overview Affected versions of this package are vulnerable to Improper Validation of Integrity Check Value in CMS AuthEnvelopedData recipient processing, where AbstractRecipient and its recipient classes such as JceKeyTransRecipient and BcKeyTransRecipient take the AEAD tag length from the...

Improper Validation of Integrity Check Value

Overview Affected versions of this package are vulnerable to Improper Validation of Integrity Check Value in CMS AuthEnvelopedData recipient processing, where AbstractRecipient and its recipient classes such as JceKeyTransRecipient and BcKeyTransRecipient take the AEAD tag length from the...

Improper Validation of Integrity Check Value

Overview Affected versions of this package are vulnerable to Improper Validation of Integrity Check Value in the processPacket method of KCCMBlockCipher, which invokes processAAD only when associated data is present, so with no AAD the G1 block nonce, length, flag is never mixed into the MAC and...

Improper Validation of Integrity Check Value

Overview Affected versions of this package are vulnerable to Improper Validation of Integrity Check Value in the processPacket method of KCCMBlockCipher, which invokes processAAD only when associated data is present, so with no AAD the G1 block nonce, length, flag is never mixed into the MAC and...

Improper Validation of Integrity Check Value

Overview org.bouncycastle:bcprov-jdk12 is a Java implementation of cryptographic algorithms. Affected versions of this package are vulnerable to Improper Validation of Integrity Check Value in the processPacket method of KCCMBlockCipher, which invokes processAAD only when associated data is...

CVE-2026-12803

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...

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...

UBUNTU-CVE-2026-12803

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...

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...

CVE-2026-12816 IESEngine stream-mode MAC forgery via length-dependent KDF split

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...

EUVD-2026-52135

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-2026-12816 IESEngine stream-mode MAC forgery via length-dependent KDF split

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-2026-12816

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...

CVE-2026-12816

Bouncy Castle for Java contains an IESEngine stream-mode MAC forgery flaw via a length-dependent KDF split, affecting versions before 1.85 (and Bouncy Castle for Java LTS before 2.73.12). The issue is documented in CVE-2026-12816 with no exploitation details provided in the supplied sources. No r...

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...

CVE-2026-12803

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...