CVE-2025-47737: Unhandledexpression Trailer

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

lib.rs in the trailer crate through 0.1.2 for Rust mishandles allocating with a size of zero.

Affected products

• Unhandledexpression Trailer: up to and including 0.1.2

Published 2025-05-09. Last modified 2026-06-17.