CVE-2026-40253: Out-of-bounds Read

openCryptoki is a PKCS11 library and provides tooling for Linux and AIX. In versions 3.26.0 and below, the BER/DER decoding functions in the shared common library asn1.c accept a raw pointer but no buffer length parameter, and trust attacker-controlled BER length fields without validating them...

Design/Logic Flaw

A flaw was found in openCryptoki. The openCryptoki Soft token does not check if an EC key is valid when an EC key is created via CCreateObject, nor when CDeriveKey is used with ECDH public data. This may allow a malicious user to extract the private key by performing an invalid curve attack...

CVE-2021-3798: Exposure of Sensitive Information to an Unauthorized Actor

A flaw was found in openCryptoki. The openCryptoki Soft token does not check if an EC key is valid when an EC key is created via CCreateObject, nor when CDeriveKey is used with ECDH public data. This may allow a malicious user to extract the private key by performing an invalid curve attack...

CVE-2021-3798

A flaw was found in openCryptoki. The openCryptoki Soft token does not check if an EC key is valid when an EC key is created via CCreateObject, nor when CDeriveKey is used with ECDH public data. This may allow a malicious user to extract the private key by performing an invalid curve attack...