CVE-2025-59032: ManageSieve AUTHENTICATE command crashes when using literal...
Summary
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 versi
Threat Analysis
**Vulnerability ID:** CVE-2025-59032
**CVSS Score:** 7.5 (High)
**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.
**Recommended Mitigations:** - Apply vendor security patches immediately - Review and update security configurations - Monitor systems for signs of compromise - Implement network segmentation where applicable