CVE-2017-1000430: Rust-BASE64 Project Rust-BASE64

Critical severity, CVSS 9.8. EPSS: 1.5% chance of exploitation in the next 30 days.

rust-base64 version <= 0.5.1 is vulnerable to a buffer overflow when calculating the size of a buffer to use when encoding base64 using the 'encode_config_buf' and 'encode_config' functions

Affected products

• Rust-BASE64 Project Rust-BASE64: up to and including 0.5.1

Published 2018-01-02. Last modified 2026-06-17.