tls security

Mbed TLS contained a certificate‑validation bug that could let certain malformed certificates be accepted as valid — a subtle but consequential lapse in the X.509 verification logic that affected multiple branches of the library and required coordinated package updates and rebuilds across the...

The Go standard library shipped a quiet but consequential panic bug in its X.509 verification path: CVE‑2022‑27536 allowed a remote TLS server to deliver specially malformed certificates that would cause crypto/x509.Certificate.Verify to panic on macOS, crashing TLS clients built with Go 1.18.0...

Certifi’s decision to remove e‑Tugra root certificates—tracked as CVE‑2023‑37920—was a corrective security action that rippled across software ecosystems and vendor supply chains, but it also exposed a practical tension: removing a distrusted root protects integrity while simultaneously risking...

Rustls—the widely used, memory-safe TLS library written in Rust—contains a denial‑of‑service design flaw: under a specific, easily reproducible handshake sequence a blocking rustls server can enter an infinite loop inside rustls::conn::ConnectionCommon::complete_io(), consuming CPU and...