CVE-2026-73209

A flaw was found in Dovecot. An authenticated attacker can send specially crafted compressed data, leading to the affected process exhausting its stack and crashing. This termination of the process can result in degradation or a complete denial of service for the IMAP (Internet Message Access Protocol) service.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.