CVE-2021-28034: Stack Dst Project Stack Dst

Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days.

An issue was discovered in the stack_dst crate before 0.6.1 for Rust. Because of the push_inner behavior, a double free can occur upon a val.clone() panic.

Affected products

• Stack Dst Project Stack Dst: before 0.6.1 (fixed in 0.6.1)

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