An issue was discovered in the slice-deque crate before 0.1.16 for Rust. move_head_unchecked allows memory corruption because deque updates are mishandled.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)