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CVE-2021-38189

CRITICAL CVSS: 9.8 Published: 2021-08-08 Modified: 2026-06-17

Description

An issue was discovered in the lettre crate before 0.9.6 for Rust. In an e-mail message body, an attacker can place a . character after two sequences and then inject arbitrary SMTP commands.

Affected Platforms

Lettre Lettre

Weakness Type

CWE-77

References