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

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...

EUVD-2026-67664

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-2026-40014

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...

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...

EUVD-2026-67300

In SiSDK v2026.6.0 and earlier, high network traffic loads can cause a dropped ACK leading to a denial of service. This is only present for EFR32MG24 and EFR32MG26 devices running concurrent multiprotocol Zigbee and Thread...

CVE-2026-17610

In SiSDK v2026.6.0 and earlier, high network traffic loads can cause a dropped ACK leading to a denial of service. This is only present for EFR32MG24 and EFR32MG26 devices running concurrent multiprotocol Zigbee and Thread...

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...

UBUNTU-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...

Unity Linux 20.1050e / 20.1060e / 20.1070-8ae / 20.1070e Security Update: wildfly-security-manager (UTSA-2026-030642)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-030642 advisory. It was found that the fix to address CVE-2021-44228 in Apache Log4j 2.15.0 was incomplete in certain non- default configurations. This could allows attackers with...

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...

UBUNTU-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...

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-2026-59321

A single ScriptEngine instance is reused for every message on a script-backed channel. For JSR-223 engines that report THREADING=null not thread-safe, e.g. the Kotlin kts engine, concurrent message processing can corrupt engine-internal state, potentially leaking one message's payload/headers...

EUVD-2026-67202

A single ScriptEngine instance is reused for every message on a script-backed channel. For JSR-223 engines that report THREADING=null not thread-safe, e.g. the Kotlin kts engine, concurrent message processing can corrupt engine-internal state, potentially leaking one message's payload/headers...

CVE-2026-59321

Spring Integration versions 7.1.0 , 7.0.0–7.0.5 , 6.5.0–6.5.10 , 6.4.0–6.4.12 , and 5.5.21 and earlier are affected by a thread-safety flaw in script-backed channels. A single JSR-223 ScriptEngine instance is shared across all messages without verifying the engine's THREADING capability. When a n...

CVE-2026-59321 Shared JSR-223 ScriptEngine evaluated concurrently without THREADING check

A single ScriptEngine instance is reused for every message on a script-backed channel. For JSR-223 engines that report THREADING=null not thread-safe, e.g. the Kotlin kts engine, concurrent message processing can corrupt engine-internal state, potentially leaking one message's payload/headers...

CVE-2026-26456

A null pointer dereference vulnerability exists in the server-side session management logic of ccoap 77f55c4b466e99327c24ace8a2913d3ba7e2ccd5. The issue is caused by a race condition between the request dispatch thread and the session cleanup thread when accessing shared session list nodes withou...