Siemens SIMATIC S7-1500 Out-of-bounds Write (CVE-2020-24659)

An issue was discovered in GnuTLS before 3.6.15. A server can trigger a NULL pointer dereference in a TLS 1.3 client if a norenegotiation alert is sent with unexpected timing, and then an invalid second handshake occurs. The crash happens in the application's error handling path, where the...

CVE-2025-1445

CVE-2025-1445 affects Hitachi Energy RTU500 series, specifically the IEC 61850 client/server stack on CMU devices configured with TLS. The issue is a potential availability problem if renegotiation of an active IEC 61850 TLS connection occurs in certain timing scenarios. Precondition: TLS is enab...

OESA-2021-1046 gnutls security update

GnuTLS is a secure communications library implementing the SSL, TLS and DTLS protocols and technologies around them. It provides a simple C language application programming interface API to access the secure communications protocols as well as APIs to parse and write X.509, PKCS 12, and other...