Sourced from ring's changelog.

Version 0.17.14 (2025-03-11)

Fixed a performance bug in the AVX2-based AES-GCM implementation added in ring 0.17.13. This will be another notable performance improvement for most newish x86-64 systems. The performance issue impacted not just AES-GCM.

Compatibility with GNU binutils 2.29 (used on Amazon Linux 2), and probably even earlier versions, was restored. It is expected that ring 0.17.14 will build on all the systems that 0.17.12 would build on.

Version 0.17.13 (2025-03-06)

Increased MSRV to 1.66.0 to avoid bugs in earlier versions so that we can safely use core::arch::x86_64::__cpuid and core::arch::x86::__cpuid from Rust in future releases.

AVX2-based VAES-CLMUL implementation. This will be a notable performance improvement for most newish x86-64 systems. This will likely raise the minimum binutils version supported for very old Linux distros.

Version 0.17.12 (2025-03-05)

Bug fix: briansmith/ring#2447 for denial of service (DoS).

• Fixes a panic in ring::aead::quic::HeaderProtectionKey::new_mask() when integer overflow checking is enabled. In the QUIC protocol, an attacker can induce this panic by sending a specially-crafted packet. Even unintentionally it is likely to occur in 1 out of every 2**32 packets sent and/or received.

• Fixes a panic on 64-bit targets in ring::aead::{AES_128_GCM, AES_256_GCM} when overflow checking is enabled, when encrypting/decrypting approximately 68,719,476,700 bytes (about 64 gigabytes) of data in a single chunk. Protocols like TLS and SSH are not affected by this because those protocols break large amounts of data into small chunks. Similarly, most applications will not attempt to encrypt/decrypt 64GB of data in one chunk.

Overflow checking is not enabled in release mode by default, but RUSTFLAGS="-C overflow-checks" or overflow-checks = true in the Cargo.toml profile can override this. Overflow checking is usually enabled by default in debug mode.

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