| Package | Affected versions | Patched versions |
|---|---|---|
| dovecot | ≥ 2.3.9, < 2.3.9.3 | 2.3.9.3 |
lib-smtp in submission-login and lmtp in Dovecot 2.3.9 before 2.3.9.3 mishandles truncated UTF-8 data in command parameters, as demonstrated by the unauthenticated triggering of a submission-login infinite loop.
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