Improper Validation of Integrity Check Value

Overview Affected versions of this package are vulnerable to Improper Validation of Integrity Check Value in the getContentStream method of RecipientInformation, which, when authenticated attributes are present, authenticates only the DER-encoded authAttrs and never checks the computed content...

Exposure of Sensitive Information Through Metadata

Overview Affected versions of this package are vulnerable to Exposure of Sensitive Information Through Metadata via CFB quick-check decryption oracle in the getDataStream method of PGPSymmetricKeyEncryptedData, reached through PGPPBEEncryptedData, PGPSessionKeyEncryptedData, and...

Exposure of Sensitive Information Through Metadata

Overview Affected versions of this package are vulnerable to Exposure of Sensitive Information Through Metadata via CFB quick-check decryption oracle in the getDataStream method of PGPSymmetricKeyEncryptedData, reached through PGPPBEEncryptedData, PGPSessionKeyEncryptedData, and...

Uncontrolled Recursion

Overview Affected versions of this package are vulnerable to Uncontrolled Recursion in the OERInputStream.parseElement method, which processes the SEQ, CHOICE, and Supplier children of an IEEE 1609.2 structure recursively without enforcing a depth limit. An attacker can crash the parsing thread o...

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...

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-2026-12817 OpenPGP AEAD decryption skips final tag on chunk-aligned data

In Bouncy Castle for Java before 1.85, OpenPGP AEAD decryption skips final tag on chunk-aligned data. 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...

CVE-2026-12817 OpenPGP AEAD decryption skips final tag on chunk-aligned data

In Bouncy Castle for Java before 1.85, OpenPGP AEAD decryption skips final tag on chunk-aligned data. 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...

CVE-2026-12817 OpenPGP AEAD decryption skips final tag on chunk-aligned data

In Bouncy Castle for Java before 1.85, OpenPGP AEAD decryption skips final tag on chunk-aligned data. 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...

CVE-2026-12817

CVE-2026-12817 affects Bouncy Castle for Java prior to 1.85, including Java LTS builds before 2.73.12 and BC-FJA before bcpg-fips 1.0.13 (1.0.x), 2.0.13 (2.0.x), and 2.1.13 (2.1.x). The flaw: OpenPGP AEAD decryption skips the final tag on chunk-aligned data, as described in multiple sources. This...

EUVD-2026-52134

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...

CVE-2026-12803 KCCMBlockCipher MAC does not bind nonce when AAD is absent (cross-nonce AEAD forgery)

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...

CVE-2026-12802

In Bouncy Castle for Java before 1.85, CMS AuthEnvelopedData fails to enforce tag-length on decryption. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bcpkix-fips 1.0.12 1.0.X series, 2.0.12 2.0.X series and 2.1.12 2.1.X series...

CVE-2026-12802

Summary: CVE-2026-12802 affects Bouncy Castle for Java prior to 1.85, including LTS (

CVE-2026-12802 CMS AuthEnvelopedData fails to enforce tag-length on decryption

In Bouncy Castle for Java before 1.85, CMS AuthEnvelopedData fails to enforce tag-length on decryption. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bcpkix-fips 1.0.12 1.0.X series, 2.0.12 2.0.X series and 2.1.12 2.1.X series...

CVE-2026-12802

In Bouncy Castle for Java before 1.85, CMS AuthEnvelopedData fails to enforce tag-length on decryption. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bcpkix-fips 1.0.12 1.0.X series, 2.0.12 2.0.X series and 2.1.12 2.1.X series...

CVE-2026-12802 CMS AuthEnvelopedData fails to enforce tag-length on decryption

In Bouncy Castle for Java before 1.85, CMS AuthEnvelopedData fails to enforce tag-length on decryption. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bcpkix-fips 1.0.12 1.0.X series, 2.0.12 2.0.X series and 2.1.12 2.1.X series...