AlmaLinux 9.6 [TuxCare] Security Update: cyrus-imapd / cyrus-imapd-devel / cyrus-imapd-doc-extra / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1790173408)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1790173408 advisory. - An issue was discovered in Cyrus IMAP before 3.12.4. CalDAV/CardDAV multiget bypasses a per-href ACL. An authenticated DAV user wi...

Security update for cyrus-imapd (moderate)

openSUSE security update: security update for cyrus-imapd ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21929-1 Rating: moderate References: bsc1279908 bsc1279975 bsc1279976 bsc1279977 bsc1279978 bsc1279979 Cross-References: CVE-2026-61907...

CVE-2026-61911

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 existed, or read the value of shared mailbox annotations, by observing which fileinto branch fired...

CVE-2026-61911: Exposure of Sensitive System Information to an Unauthorized Control Sphere

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 existed, or read the value of shared mailbox annotations, by observing which fileinto branch fired...