Debian/dovecot: high 7.5
When sending invalid base64 SASL data, login process is disconnected from the auth server, causing all active authentication sessions to fail. Invalid BASE64 data can be used to DoS a vulnerable serve
Action: Upgrade dovecot to 1:2.4.3+dfsg1-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1:2.4.3+dfsg1-1 | - |
Fixed versions
| 1:2.4.3+dfsg1-1 |
Sources
- osv: DEBIAN-CVE-2025-59028#Debian:14/dovecot
- https://security-tracker.debian.org/tracker/CVE-2025-59028
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