CVE-2026-46690EPSS p2.5%

CVE-2026-46690CVE-2026-46690

spearman / unbounded-spsc

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.

Scoring

CVSS 5.8 ()
VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
EPSS0.12% probability of exploitation · percentile 2.5% · 2026-06-18T12:00:27Z
Last modified2026-06-16
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.