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Vulnerabilities
CVE-2026-46428
lettre has TLS hostname verification disabled when using Boring TLS backend
Last Modified: Jul 21, 2026
Published: Jul 20, 2026
CVE-2021-38189
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 <CR><LF> sequences and then inject arbitrary SMTP commands.
Last Modified: Nov 21, 2024
Published: Aug 08, 2021
CVE-2020-28247
The lettre library through 0.10.0-alpha for Rust allows arbitrary sendmail option injection via transport/sendmail/mod.rs.
Last Modified: Nov 21, 2024
Published: Nov 12, 2020
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