CVE-2025-59032
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
Mar 27, 2026
Vendor
unknown
Description
ManageSieve AUTHENTICATE command crashes when using literal as SASL initial response. This can be used to crash ManageSieve service repeatedly, making it unavailable for other users. Control access to ManageSieve port, or disable the service if it's not needed. Alternatively upgrade to a fixed version. No publicly available exploits are known.