Bug 2452245
| Summary: | CVE-2026-27857 dovecot: denial of service via specially crafted NOOP command [fedora-all] | ||
|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | Guilherme de Almeida Suckevicz <gsuckevi> |
| Component: | dovecot | Assignee: | Michal Hlavinka <mhlavink> |
| Status: | CLOSED ERRATA | QA Contact: | Fedora Extras Quality Assurance <extras-qa> |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | rawhide | CC: | anon.amish, bennie.joubert, mhlavink |
| Target Milestone: | --- | Keywords: | Security, SecurityTracking |
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | {"flaws": ["0df3f91f-ca7a-4e35-8fb1-395e9e435213"]} | ||
| Fixed In Version: | dovecot-2.4.3-2.fc44 dovecot-2.4.3-2.fc43 | Doc Type: | --- |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2026-05-07 00:52:02 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | |||
| Bug Blocks: | 2452179 | ||
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Description
Guilherme de Almeida Suckevicz
2026-03-27 14:39:06 UTC
FEDORA-2026-51dba40a65 (dovecot-2.4.3-2.fc43) has been submitted as an update to Fedora 43. https://bodhi.fedoraproject.org/updates/FEDORA-2026-51dba40a65 FEDORA-2026-4349d04c20 (dovecot-2.4.3-2.fc44) has been submitted as an update to Fedora 44. https://bodhi.fedoraproject.org/updates/FEDORA-2026-4349d04c20 FEDORA-2026-51dba40a65 has been pushed to the Fedora 43 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-51dba40a65` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-51dba40a65 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates. FEDORA-2026-4349d04c20 has been pushed to the Fedora 44 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-4349d04c20` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-4349d04c20 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates. FEDORA-2026-4349d04c20 (dovecot-2.4.3-2.fc44) has been pushed to the Fedora 44 stable repository. If problem still persists, please make note of it in this bug report. FEDORA-2026-51dba40a65 (dovecot-2.4.3-2.fc43) has been pushed to the Fedora 43 stable repository. If problem still persists, please make note of it in this bug report. |