Uninitialized memory exposure in create_ring_buffer
The safe function create_ring_buffer allocates a buffer using Vec::with_capacity followed by set_len, creating a Box<[T]> containing uninitialized memory.
This leads to undefined behavior when functions like write_slices create typed slices (e.g., &mut [bool]) over the uninitialized memory, violating Rust's validity invariants. The issue has been confirmed using Miri.
Fixed in version 0.2.2 by using resize_with to properly initialize the buffer with T::default(), adding a T: Default bound to ensure sound initialization.
RUSTSEC-2025-0105 is recorded against 1 package.
Published on 21 October 2025 and last revised on 28 October 2025. No public exploit is currently recorded for this entry. Record sourced from OSV.
crates.io (Package)
rustsec.org (Advisory)
github.com (Report)
github.com (Web)
direct-ring-buffer has other advisories on record. If you are patching this one, these are worth checking on the same host:
Details
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| direct-ring-buffer | — | — |
References
Similar Threats
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