CVE-2026-46690

Description

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.

CVSS Vector

References

• https://github.com/spearman/unbounded-spsc/security/advisories/GHSA-6m57-8r3p-pqx6
• https://github.com/spearman/unbounded-spsc/security/advisories/GHSA-6m57-8r3p-pqx6