CVE-2025-59032
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| โ | Affected | โ |
AlmaLinux Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | dovecot-pigeonhole-2.3.16-15.el9_7.1.aarch64.rpm |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1:2.4.1+dfsg1-6+deb13u4 |
| sid | Fixed | 1:2.4.3+dfsg1-1 |
| forky | Fixed | 1:2.4.3+dfsg1-1 |
| bullseye | Fixed | 1:2.3.13+dfsg1-2+deb11u3 |
| bookworm | Fixed | 1:2.3.19.1+dfsg1-2.1+deb12u2 |
Red Hat Fixed 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | โ |
| 8 | Fixed | โ |
Rocky Linux Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | โ |
References
- https://access.redhat.com/errata/RHSA-2026:13857
- https://access.redhat.com/errata/RHSA-2026:19364
- https://documentation.open-xchange.com/dovecot/security/advisories/csaf/2026/oxdc-adv-2026-0001.json
- https://security-tracker.debian.org/tracker/CVE-2025-59032
- https://www.suse.com/security/cve/CVE-2025-59032.html
- https://access.redhat.com/errata/RHSA-2026:13830
- https://bugzilla.redhat.com/2452172
- https://bugzilla.redhat.com/2452175
- https://bugzilla.redhat.com/2452179
- https://errata.almalinux.org/8/ALSA-2026-13830.html
- https://errata.almalinux.org/9/ALSA-2026-13857.html
- https://errata.almalinux.org/9/ALSA-2026-19364.html
- https://errata.rockylinux.org/RLSA-2026:13857
CWEs
CWE-20
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.