CVE-2026-46690

MediumCVSS 5.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.8/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H

Weakness enumeration

CWE-125 CWE-415 CWE-704 CWE-787

Affected software

No affected versions have been published.

Timeline

Published: Jun 12, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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