Bug 2481123 - CVE-2026-40016 dovecot: Dovecot: Denial of Service due to Sieve script CPU limit bypass [fedora-all]
Summary: CVE-2026-40016 dovecot: Dovecot: Denial of Service due to Sieve script CPU li...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: dovecot
Version: rawhide
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Michal Hlavinka
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["1eac8c10-97d5-4681-a608-f...
Depends On:
Blocks: CVE-2026-40016
TreeView+ depends on / blocked
 
Reported: 2026-05-25 07:28 UTC by Vipul Nair
Modified: 2026-06-02 01:10 UTC (History)
3 users (show)

Fixed In Version: dovecot-2.4.4-1.fc44 dovecot-2.4.4-1.fc43
Clone Of:
Environment:
Last Closed: 2026-06-02 00:53:46 UTC
Type: ---
Embargoed:

Attachments (Terms of Use)

Description Vipul Nair 2026-05-25 07:28:45 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Comment 1 Fedora Update System 2026-05-25 12:13:07 UTC 
FEDORA-2026-96eeb03b88 (dovecot-2.4.4-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-96eeb03b88
Comment 2 Fedora Update System 2026-05-25 12:13:19 UTC 
FEDORA-2026-693373747f (dovecot-2.4.4-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-693373747f
Comment 3 Fedora Update System 2026-06-02 00:53:46 UTC 
FEDORA-2026-96eeb03b88 (dovecot-2.4.4-1.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.
Comment 4 Fedora Update System 2026-06-02 01:10:52 UTC 
FEDORA-2026-693373747f (dovecot-2.4.4-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.
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