CVE-2021-31996: Algorithmica Project Algorithmica

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

An issue was discovered in the algorithmica crate through 2021-03-07 for Rust. There is a double free in merge_sort::merge().

Affected products

• Algorithmica Project Algorithmica: up to and including 2021-03-07

Published 2021-05-03. Last modified 2026-06-17.