CVE-2021-38189
9.8 CRITICALAn issue was discovered in the lettre crate before 0.9.6 for Rust
Published: 2021-08-08 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 9.8 CRITICAL
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-77
Affected products
| Vendor | Product |
|---|---|
| lettre | lettre |
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 <CR><LF> sequences and then inject arbitrary SMTP commands.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-38189
- [Other]https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/lettre/RUSTSEC-2021-0069.md
- [Patch]https://rustsec.org/advisories/RUSTSEC-2021-0069.html
- [Other]https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/lettre/RUSTSEC-2021-0069.md
- [Patch]https://rustsec.org/advisories/RUSTSEC-2021-0069.html
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