CVE-2026-54251

netty-incubator-codec-ohttp is a Netty incubator library implementing Oblivious HTTP (OHTTP) gateway and client functionality. Prior to 0.0.23.Final , the OHTTP gateway decryption path allocates a pooled direct (native off-heap) ByteBuf for decrypted plaintext before the AEAD tag is verified. Whe...

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...

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...

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...

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...

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 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

The OpenSSL toolkit is vulnerable to an integrity check failure in the EVP_Cipher() API when used with ChaCha20-Poly1305 and AES-OCB ciphers. Specifically, if an empty ciphertext is provided, the function may report success without verifying the AEAD authentication tag. This flaw allows applicati...

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...

PT-2026-80754

netty-incubator-codec-ohttp implements Oblivious HTTP OHTTP gateway and client functionality using Netty. Prior to 0.0.23.Final, the OHTTP gateway decryption path in codec-ohttp/src/main/java/io/netty/incubator/codec/ohttp/OHttpRequestResponseContext.java allocates a pooled direct ByteBuf for...

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...

CVE-2026-13758

A flaw was found in CryptX for Perl. The library performs a non-constant time comparison of Authenticated Encryption with Associated Data AEAD authentication tags in its streaming decryption function. This timing difference creates a tag-verification oracle, allowing a remote attacker to submit...

CVE-2026-2738

Buffer overflow in ovpn‑dco‑win version 2.8.0 allows local attackers to cause a system crash by sending too large packets to the remote peer when the AEAD tag appears at the end of the encrypted packet...

CVE-2026-2738

Buffer overflow in ovpn‑dco‑win version 2.8.0 allows local attackers to cause a system crash by sending too large packets to the remote peer when the AEAD tag appears at the end of the encrypted packet...

CVE-2026-2738

Buffer overflow in ovpn‑dco‑win version 2.8.0 allows local attackers to cause a system crash by sending too large packets to the remote peer when the AEAD tag appears at the end of the encrypted packet...

CVE-2026-2738: Incorrect Calculation of Buffer Size

Buffer overflow in ovpn‑dco‑win version 2.8.0 allows local attackers to cause a system crash by sending too large packets to the remote peer when the AEAD tag appears at the end of the encrypted packet...