Debian/aiosmtplib: medium 5.9
aiosmtplib is an asynchronous SMTP client for use with asyncio. Prior to 5.1.2, SMTPProtocol.start_tls in src/aiosmtplib/protocol.py consumes the server's 220 response and starts the TLS handshake wit
Action: Upgrade aiosmtplib to 5.1.2-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 5.1.2-1 | - |
Fixed versions
| 5.1.2-1 |
Sources
- osv: DEBIAN-CVE-2026-55558#Debian:14/aiosmtplib
- https://security-tracker.debian.org/tracker/CVE-2026-55558
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