Disclosure 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 version. No publicly available exploits are known.
Source-reported weakness categories
CWE-20, NVD-CWE-noinfo, CWE-229
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2025-59032
Open original source · Updated Oct 07, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| dovecot | dovecot | * {"versionEndExcluding":"2.4.3"} |
| open-xchange | dovecot | * {"versionEndExcluding":"3.1.3"} |
Original records & references
- NIST NVD record
- CVE Program record
- documentation.open-xchange.com — Vendor Advisory
- access.redhat.com
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PUBLISHED 2026-03-27T05:16:18-04:00
MODIFIED 2026-10-07T05:10:00-04:00
INGESTED 2026-10-08T12:40:21-04:00