Rust 1.99.1

2026-10-16T08:51:36Z•90364c2ec24568b8b70e932515d6fe84c0e5d55f610e948545800528215a2b3c
CVE-2025-15661CVE-2026-33055CVE-2026-33056CVE-2026-55199CVE-2026-55200CargoFFILLVMMIRRustcompiler-miscompilationlibssh2memory-safetyrustcsecurity-updatesoftware-releasesupply-chain-securitytar

What happened

Rust release feed covering versions 1.94.1 through 1.99.1. Security-relevant fixes include multiple compiler miscompilation corrections, including FFI bool return handling, vtable generation, LLVM/MIR optimizations, and Cargo dependency updates addressing libssh2 vulnerabilities CVE-2025-15661, CVE-2026-55199, CVE-2026-55200 and tar vulnerabilities CVE-2026-33055 and CVE-2026-33056. The releases are primarily maintenance, correctness, platform-support, and language-feature updates; users should upgrade to the latest available Rust release.

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
rust_lang_rust_releases
Record identifier
90364c2ec24568b8b70e932515d6fe84c0e5d55f610e948545800528215a2b3c
Enrichment time
2026-10-16T08:51:36Z
AI-assisted enrichment
Yes

This record may overlap with other records. Its enrichment can be incomplete or wrong, and machine assistance was used. Validate consequential decisions against the linked source and your own environment.

Record · Rust 1.99.1 · Baitaphish