medium5.8
CVE-2026-46690
unbounded-spsc: Sender::send pointer-as-value transmute causes OOB read and fake-Arc drop under TX/RX race
Impact
unbounded_spsc is an "unbounded" extension of bounded_spsc_queue. In versions 0.2.0 and prior, sender::send pointer-as-value transmute causes OOB read and fake-Arc drop under TX/RX race. At time of publication, there are no publicly available patches.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| rust | unbounded-spsc | <= 0.2.0 | none recorded |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Spearman | Unbounded-Spsc | through 0.2.0 |