GHSA-6M57-8R3P-PQX6 unbounded-spsc: Sender::send pointer-as-value transmute causes OOB read and fake-Arc drop under TX/RX race

Summary Sender::send in src/lib.rs contains an unsafe block in the DISCONNECTED arm that transmutes a raw pointer mut Producer into the bytes of a value-level Consumer. The author's intent, visible in the surrounding comment at lines 386-390, was a value transmute. The shipped code is one level o...

unbounded-spsc: Sender::send pointer-as-value transmute causes OOB read and fake-Arc drop under TX/RX race

Summary Sender::send in src/lib.rs contains an unsafe block in the DISCONNECTED arm that transmutes a raw pointer mut Producer into the bytes of a value-level Consumer. The author's intent, visible in the surrounding comment at lines 386-390, was a value transmute. The shipped code is one level o...

CVE-2026-46690

creationtimestamp| type| source ---|---|--- 2026-05-18 15:05:17+00:00| published-proof-of-concept| https://github.com/spearman/unbounded-spsc/security/advisories/GHSA-6m57-8r3p-pqx6...