CVE-2026-45445

CVE-2026-45445 describes a vulnerability in AES-OCB when using OpenSSL EVP_Cipher() in one-shot mode: the application-supplied IV is ignored, causing every encrypted message under the same key to use the same effective nonce. This leads to key/nonce reuse and potential confidentiality loss, and, ...

CVE-2025-11931

Integer Underflow Leads to Out-of-Bounds Access in XChaCha20-Poly1305 Decrypt. This issue is hit specifically with a call to the function wcXChaCha20Poly1305Decrypt which is not used with TLS connections, only from direct calls from an application...

PT-2025-47819

Name of the Vulnerable Software and Affected Versions Versions prior to 2025-11931 Description An integer underflow can lead to out-of-bounds access during decryption using XChaCha20-Poly1305. This occurs specifically when calling the wc XChaCha20Poly1305 Decrypt function, which is utilized by...