CVE-2021-30454: Outer Cgi Project Outer Cgi

Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.

An issue was discovered in the outer_cgi crate before 0.2.1 for Rust. A user-provided Read instance receives an uninitialized memory buffer from KeyValueReader.

Affected products

• Outer Cgi Project Outer Cgi: before 0.2.1 (fixed in 0.2.1)

Published 2021-04-07. Last modified 2026-06-17.