CVE-2026-46690

Published Jun 12, 2026

Last updated a day ago

Overview

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.
Source
security-advisories@github.com
NVD status
Awaiting Analysis

Risk scores

CVSS 3.1

Type
Secondary
Base score
5.8
Impact score
4.7
Exploitability score
1
Vector string
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
Severity
MEDIUM

Weaknesses

security-advisories@github.com
CWE-125

Social media

Hype score
Not currently trending