CVE-2021-29942: Reorder Project Reorder

High severity, CVSS 7.3. EPSS: 0.9% chance of exploitation in the next 30 days.

An issue was discovered in the reorder crate through 2021-02-24 for Rust. swap_index can return uninitialized values if an iterator returns a len() that is too large.

Affected products

• Reorder Project Reorder: up to and including 2021-02-24

Published 2021-04-01. Last modified 2026-06-17.