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Threats Tagged 'cve-2026-33606'

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Active filters (1):Tag: cve-2026-33606

Threats Tagged 'cve-2026-33606'

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Multiple critical security vulnerabilities affecting Dovecot 2.4.4 and related versions in Red Hat Enterprise Linux 8 have been addressed in an update to version 2.3.16-16.el8_10. These vulnerabilities include denial of service, authentication bypass, and remote code execution issues across various Dovecot components such as IMAP, ManageSieve, and sieve scripts. The update fixes critical issues including a use-after-free leading to arbitrary code execution and several denial of service vulnerabilities caused by malformed inputs or resource exhaustion.

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CVE-2026-33606 is a medium severity vulnerability in Open-Xchange GmbH's OX Dovecot Pro that allows crafted mail content to be interpreted as dsync protocol commands during migration or replication using the stream protocol. This can lead to unauthorized modification of mailbox state and internal mailbox attributes. No public exploits are known. Users are advised to avoid running dsync with the stream protocol on mailboxes containing untrusted content and to update to a non-vulnerable version when available.

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