Linux Distros Unpatched Vulnerability : CVE-2026-40017

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An attacker that can send mail to a user can craft a message header whose values are chosen to collide in an internal hash table, which makes the IMAP THREAD...

Linux Distros Unpatched Vulnerability : CVE-2026-40014

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An attacker that can send mail to a user can craft a message header that makes the IMAP THREAD command consume CPU disproportionate to the size of the message...

CVE-2026-40017

An attacker that can send mail to a user can craft a message header whose values are chosen to collide in an internal hash table, which makes the IMAP THREAD command consume CPU disproportionate to the size of the message. This is a separate issue from CVE-2026-40014 and is not addressed by that...

CVE-2026-40014

An attacker that can send mail to a user can craft a message header that makes the IMAP THREAD command consume CPU disproportionate to the size of the message. When a mail client issues a THREAD command on the affected mailbox, this can cause degradation or denial of service for IMAP. Monitor...

CVE-2026-40017

An attacker that can send mail to a user can craft a message header whose values are chosen to collide in an internal hash table, which makes the IMAP THREAD command consume CPU disproportionate to the size of the message. This is a separate issue from CVE-2026-40014 and is not addressed by that...

EUVD-2026-67666

An attacker that can send mail to a user can craft a message header whose values are chosen to collide in an internal hash table, which makes the IMAP THREAD command consume CPU disproportionate to the size of the message. This is a separate issue from CVE-2026-40014 and is not addressed by that...

CVE-2026-40014

CVE-2026-40014 affects Open-Xchange Dovecot , where a crafted message header causes the IMAP THREAD command to consume CPU disproportionate to the size of the message. When a mail client issues a THREAD command on the affected mailbox, this results in degradation or denial of service for IMAP. Th...

PT-2026-83057

Name of the Vulnerable Software and Affected Versions dovecot versions prior to 2.4.5-1.1 Description An attacker can craft a message header that causes the IMAP THREAD command to consume CPU resources disproportionate to the message size. When a mail client executes the THREAD command on the...

PT-2026-83059

Name of the Vulnerable Software and Affected Versions dovecot versions prior to 2.4.5-1.1 Description An attacker can send a crafted email with message header values designed to collide in an internal hash table. This causes the IMAP THREAD command to consume CPU resources disproportionate to the...

CVE-2026-40017

An attacker that can send mail to a user can craft a message header whose values are chosen to collide in an internal hash table, which makes the IMAP THREAD command consume CPU disproportionate to the size of the message. This is a separate issue from CVE-2026-40014 and is not addressed by that...