CVE-2026-31790 Incorrect Failure Handling in RSA KEM RSASVE Encapsulation

Issue summary: Applications using RSASVE key encapsulation to establish a secret encryption key can send contents of an uninitialized memory buffer to a malicious peer. Impact summary: The uninitialized buffer might contain sensitive data from the previous execution of the application process whi...

CVE-2026-28390

OpenSSL CVE-2026-28390 describes a NULL pointer dereference when processing CMS EnvelopedData with KeyTransportRecipientInfo using RSA-OAEP, triggered by missing optional RSA-OAEP parameters. The issue allows a crash/Denial of Service when untrusted CMS data is decrypted via CMS_decrypt(). Affect...

CVE-2026-28390 Possible NULL Dereference When Processing CMS KeyTransportRecipientInfo

Issue summary: During processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo a NULL pointer dereference can happen. Impact summary: Applications that process attacker-controlled CMS data may crash before authentication or cryptographic operations occur resulting in Denia...

CVE-2026-31789

OpenSSL vulnerability CVE-2026-31789: on 32-bit platforms, converting a large OCTET STRING (e.g., SKID/AKID in X.509 certificates) to hex can overflow the buffer, causing a heap overflow that may crash or enable attacker-controlled behavior. Affected are OpenSSL versions with the vulnerable conve...

CVE-2026-31789 Heap Buffer Overflow in Hexadecimal Conversion

Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer overflow on 32 bit platforms. Impact summary: A heap buffer overflow may lead to a crash or possibly an attacker controlled code execution or other undefined behavior. If an attacker c...

CVE-2026-31789 Heap Buffer Overflow in Hexadecimal Conversion

Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer overflow on 32 bit platforms. Impact summary: A heap buffer overflow may lead to a crash or possibly an attacker controlled code execution or other undefined behavior. If an attacker c...

CVE-2026-31789

Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer overflow on 32 bit platforms. Impact summary: A heap buffer overflow may lead to a crash or possibly an attacker controlled code execution or other undefined behavior. If an attacker c...

CVE-2026-28390 Possible NULL Dereference When Processing CMS KeyTransportRecipientInfo

Issue summary: During processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo a NULL pointer dereference can happen. Impact summary: Applications that process attacker-controlled CMS data may crash before authentication or cryptographic operations occur resulting in Denia...

CVE-2026-28390 Possible NULL Dereference When Processing CMS KeyTransportRecipientInfo

Issue summary: During processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo a NULL pointer dereference can happen. Impact summary: Applications that process attacker-controlled CMS data may crash before authentication or cryptographic operations occur resulting in Denia...

CVE-2026-28390

Issue summary: During processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo a NULL pointer dereference can happen. Impact summary: Applications that process attacker-controlled CMS data may crash before authentication or cryptographic operations occur resulting in Denia...

CVE-2026-28390

Issue summary: During processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo a NULL pointer dereference can happen. Impact summary: Applications that process attacker-controlled CMS data may crash before authentication or cryptographic operations occur resulting in Denia...

CVE-2026-28389 Possible NULL Dereference When Processing CMS KeyAgreeRecipientInfo

Issue summary: During processing of a crafted CMS EnvelopedData message with KeyAgreeRecipientInfo a NULL pointer dereference can happen. Impact summary: Applications that process attacker-controlled CMS data may crash before authentication or cryptographic operations occur resulting in Denial of...

CVE-2026-28389 Possible NULL Dereference When Processing CMS KeyAgreeRecipientInfo

Issue summary: During processing of a crafted CMS EnvelopedData message with KeyAgreeRecipientInfo a NULL pointer dereference can happen. Impact summary: Applications that process attacker-controlled CMS data may crash before authentication or cryptographic operations occur resulting in Denial of...

CVE-2026-28389

Issue summary: During processing of a crafted CMS EnvelopedData message with KeyAgreeRecipientInfo a NULL pointer dereference can happen. Impact summary: Applications that process attacker-controlled CMS data may crash before authentication or cryptographic operations occur resulting in Denial of...

CVE-2026-28389

Issue summary: During processing of a crafted CMS EnvelopedData message with KeyAgreeRecipientInfo a NULL pointer dereference can happen. Impact summary: Applications that process attacker-controlled CMS data may crash before authentication or cryptographic operations occur resulting in Denial of...

CVE-2026-28389 Possible NULL Dereference When Processing CMS KeyAgreeRecipientInfo

Issue summary: During processing of a crafted CMS EnvelopedData message with KeyAgreeRecipientInfo a NULL pointer dereference can happen. Impact summary: Applications that process attacker-controlled CMS data may crash before authentication or cryptographic operations occur resulting in Denial of...

CVE-2026-34580

Botan is a C++ cryptography library. In 3.11.0, the function CertificateStore::certificateknown had a misleading name; it would return true if any certificate in the store had a DN and subject key identifier, if set matching that of the argument. It did not check that the cert it found and the ce...

CVE-2026-34580

Botan is a C++ cryptography library. In 3.11.0, the function CertificateStore::certificateknown had a misleading name; it would return true if any certificate in the store had a DN and subject key identifier, if set matching that of the argument. It did not check that the cert it found and the ce...

CVE-2026-34580

CVE-2026-34580 affects Botan 3.11.0, where Certificate_Store::certificate_known could misidentify certificates during path validation. The function returned true when the DN (and subject key identifier, if set) matched the argument, without verifying the certificates were identical. A later path-...

PYSEC-2026-70

JWCrypto implements JWK, JWS, and JWE specifications using python-cryptography. Prior to 1.5.7, an unauthenticated attacker can exhaust server memory by sending crafted JWE tokens with ZIP compression. The existing patch for CVE-2024-28102 limits input token size to 250KB but does not validate th...