CVE-2026-12852 MLS wire decoder allocates attacker-declared opaque length before bounds check

In Bouncy Castle for Java before 1.85, MLS wire decoder allocates attacker-declared opaque length before bounds check...

CVE-2026-12852

In Bouncy Castle for Java before 1.85, MLS wire decoder allocates attacker-declared opaque length before bounds check...

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

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

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...

EUVD-2026-52136

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...

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 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...

CVE-2026-12803

CVE-2026-12803 affects Bouncy Castle for Java prior to 1.85 (and Java LTS prior to 2.73.12). KCCMBlockCipher MAC fails to bind nonce when AAD is absent, enabling cross-nonce AEAD forgery. Impacts confidentiality and integrity as described; CVSS v4.0 base score 8.7 (HIGH). Remediation: upgrade to ...

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...