Concryptor

Concryptor Rustで構築されたマルチスレッドAEAD暗号化エンジンです。トリプルバッファリングされたiouringパイプライン、Rayonによる並列チャンク処理、ringによるアセンブリ最適化暗号を利用して、ギガバイト/秒のスループットでファイルを暗号化・復号します。 ⚠️ 免責事項：実験的ソフトウェア ⚠️ このプロジェクトは非常に新しく、現在、本番環境やミッションクリティカルな使用には推奨されていません。...

torchat

TorChat - 匿名P2Pチャット Torネットワークを介した、安全でプライベートかつ匿名のピアツーピアチャット。 TorChatとは？ 軽量でプライバシー重視のメッセージングツールです。中央サーバーなしで、Torネットワークを介して直接他の人と通信できます。プライバシー、セキュリティ、シンプルさを重視する人のために設計されています。 TorChatの特別な点 TorChatは本当にクールです。 他のツールにはないクールな機能があります。 永続的なアドレスを使用する標準のTorチャットシステムとは異なり、この実装は完全に一時的です。 root@kitploit: ゼロ永続性:...

Astra Linux – Vulnerability in nss

A flaw was discovered in the implementation of CHACHA20-POLY1305 in NSS versions prior to 3.55. When using multi-part Chacha20, it could lead to out-of-bounds reads. This issue was addressed by explicitly disabling multi-part ChaCha20 which was not functioning correctly and enforcing strict tag...

CESS

CESS — 暗号学的に強化されたシャミアの秘密 これはAIの出鱈目や粗悪品か？ CESSを評価する暗号学者や真剣な実装者は、通常、散文を読む前にvectors/とtestdata/を開きます。テストスイートが成果物です。これは、ナラティブだけでは代替できないドメイン知識をエンコードしています。...

SUSE CVE-2026-75803

Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without verifying the supplied authentication tag when the operation is finalized by calling the EVPCipher function. Impact summary: Applications calling EVPCipher on an empty ciphertext and...

Improper Validation of Integrity Check Value

Overview Affected versions of this package are vulnerable to Improper Validation of Integrity Check Value in the chacha20poly1305cipher and aesocbcipher implementations under providers/implementations/ciphers/. An attacker can forge messages by supplying an empty ciphertext and a bad tag, then...

AZL-97884 CVE-2026-75803 affecting package edk2 for versions less than 20240524git3e722403cd16-20

Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without verifying the supplied authentication tag when the operation is finalized by calling the EVPCipher function. Impact summary: Applications calling EVPCipher on an empty ciphertext and...

CVE-2026-75803

Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without verifying the supplied authentication tag when the operation is finalized by calling the EVPCipher function. Impact summary: Applications calling EVPCipher on an empty ciphertext and...

ALPINE-CVE-2026-75803

Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without verifying the supplied authentication tag when the operation is finalized by calling the EVPCipher function. Impact summary: Applications calling EVPCipher on an empty ciphertext and...

AZL-97671 CVE-2026-75803 affecting package openssl-fips-provider 3.1.2-2

Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without verifying the supplied authentication tag when the operation is finalized by calling the EVPCipher function. Impact summary: Applications calling EVPCipher on an empty ciphertext and...

AZL-97935 CVE-2026-75803 affecting package openssl for versions less than 3.3.7-6

Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without verifying the supplied authentication tag when the operation is finalized by calling the EVPCipher function. Impact summary: Applications calling EVPCipher on an empty ciphertext and...

EUVD-2026-65488

Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without verifying the supplied authentication tag when the operation is finalized by calling the EVPCipher function. Impact summary: Applications calling EVPCipher on an empty ciphertext and...

CVE-2026-75803

OpenSSL 's EVP_Cipher() function, a one-shot AEAD encryption/decryption API, skips authentication tag verification when an empty ciphertext is passed for ChaCha20-Poly1305 and AES-OCB ciphers, yet still returns success. Callers expecting a valid AEAD tag check may therefore accept forged messages...

CVE-2026-75803 AEAD Forgeries with Empty Ciphertext When Using EVP_Cipher()

Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without verifying the supplied authentication tag when the operation is finalized by calling the EVPCipher function. Impact summary: Applications calling EVPCipher on an empty ciphertext and...

CVE-2026-75803 AEAD Forgeries with Empty Ciphertext When Using EVP_Cipher()

Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without verifying the supplied authentication tag when the operation is finalized by calling the EVPCipher function. Impact summary: Applications calling EVPCipher on an empty ciphertext and...

CVE-2026-75803 AEAD Forgeries with Empty Ciphertext When Using EVP_Cipher()

Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without verifying the supplied authentication tag when the operation is finalized by calling the EVPCipher function. Impact summary: Applications calling EVPCipher on an empty ciphertext and...

CVE-2026-75803

Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without verifying the supplied authentication tag when the operation is finalized by calling the EVPCipher function. Impact summary: Applications calling EVPCipher on an empty ciphertext and...

PT-2026-81308

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description Decryption using ChaCha20-Poly1305 and AES-OCB ciphers may report success without verifying the authentication tag when an empty ciphertext is processed via the...

AEAD Forgeries with Empty Ciphertext When Using EVP_Cipher()

Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without verifying the supplied authentication tag when the operation is finalized by calling the EVPCipher function. Impact summary: Applications calling EVPCipher on an empty ciphertext and...

CVE-2026-64314 crypto: chacha20poly1305 - validate poly1305 template argument

In the Linux kernel, the following vulnerability has been resolved: crypto: chacha20poly1305 - validate poly1305 template argument chachapolycreate still accepts the compatibility poly1305 parameter in the template name, but it assumes the second template argument is always present and immediatel...