Servers and applications
CVE-2023-27043
The email module of Python through 3.11.3 incorrectly parses e-mail addresses that contain a special character. The wrong portion of an RFC2822 header is identified as the value of the addr-spec. In some applications, an attacker can bypass a protection mechanism in which application access is granted only after verifying receipt of e-mail to a specific domain (e.g., only @company.example.com…
- Severity
- Medium 5.3
- Published
- 19 Apr 2023
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 21 Oct 2026
- Fixed in
- 3.8.20, 3.9.20, 3.10.15, 3.11.10, 3.12.6
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
PythonServers and applications · cpe:a:python:python |
|