CVE-2019-16139: Compact Arena Project Compact Arena

Critical severity, CVSS 9.8. EPSS: 1.9% chance of exploitation in the next 30 days.

An issue was discovered in the compact_arena crate before 0.4.0 for Rust. Generativity is mishandled, leading to an out-of-bounds write or read.

Affected products

• Compact Arena Project Compact Arena: before 0.4.0 (fixed in 0.4.0)

Published 2019-09-09. Last modified 2026-06-17.