CVE-2026-32829 lz4_flex: Decompression can leak information from uninitialized memory or reused output buffer

lz4flex is a pure Rust implementation of LZ4 compression/decompression. In versions 0.11.5 and below, and 0.12.0, decompressing invalid LZ4 data can leak sensitive information from uninitialized memory or from previous decompression operations. The library fails to properly validate offset values...