Debian/cyrus-imapd: medium 4.3
An issue was discovered in Cyrus IMAP before 3.12.4. There is a Sieve mailbox existence oracle. An authenticated user could install a Sieve script that probed whether another user's private mailbox ex
Action: Upgrade cyrus-imapd to 3.12.4-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.12.4-1 | - |
Fixed versions
| 3.12.4-1 |
Sources
- osv: DEBIAN-CVE-2026-61911#Debian:14/cyrus-imapd
- https://security-tracker.debian.org/tracker/CVE-2026-61911
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