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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Open-Xchange GmbH OX Dovecot Pro
Default version status: unaffected
0 to ≤ 3.1.0affected0 to ≤ 2.4.0affected
References
- https://documentation.open-xchange.com/dovecot/security/advisories/csaf/2026/oxdc-adv-2026-0001.json ↗
- https://access.redhat.com/security/cve/CVE-2025-59032 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2452172 ↗
- https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-59032.json ↗
- https://access.redhat.com/errata/RHSA-2026:26564 ↗
- https://access.redhat.com/errata/RHSA-2026:17602 ↗
- https://access.redhat.com/errata/RHSA-2026:13498 ↗
- https://access.redhat.com/errata/RHSA-2026:19149 ↗
- https://access.redhat.com/errata/RHSA-2026:13830 ↗
- https://access.redhat.com/errata/RHSA-2026:19455 ↗
- https://access.redhat.com/errata/RHSA-2026:19453 ↗
- https://access.redhat.com/errata/RHSA-2026:18053 ↗
- https://access.redhat.com/errata/RHSA-2026:17630 ↗
- https://access.redhat.com/errata/RHSA-2026:17628 ↗
- https://access.redhat.com/errata/RHSA-2026:17625 ↗
- https://access.redhat.com/errata/RHSA-2026:17626 ↗
- https://access.redhat.com/errata/RHSA-2026:13857 ↗
- https://access.redhat.com/errata/RHSA-2026:19364 ↗