CVEvulnerability

CVE-2026-46690

5.8 MEDIUM Published 2026-06-12 Modified 2026-10-26 Official page ↗
Status
Analyzed
Published
2026-06-12
Last modified
2026-10-26
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.8 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
CVSS 3.1 ([email protected])
5.8 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
Weaknesses
CWE-125, CWE-415, CWE-704, CWE-787

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.

Affected configurations

• spearman unbounded-spsc (<= 0.2.0)

Related

Weakness · CWE (4)

  • CWE-125 Out-of-bounds Read weakness
  • CWE-415 Double Free weakness
  • CWE-704 Incorrect Type Conversion or Cast weakness
  • CWE-787 Out-of-bounds Write weakness

References