CVE-2026-57822 Apache Artemis, Apache ActiveMQ Artemis: Message-based management parameter deserialization may lead to denial of service

When the broker is processing message-based management requests, sent by an authenticated messaging client that is authorized with MANAGE permission to perform management-via-messaging, the parameter processing can trigger Java deserialization of certain method parameters that the broker will not...

CVE-2026-57822

Apache Artemis / ActiveMQ Artemis versions 2.50.0–2.56.0 and 1.3.0–2.44.0 are affected by a denial-of-service vulnerability in the JsonUtil.fromJsonArray() method. When processing message-based management requests on the activemq.management address, the broker deserializes CompositeData objects v...

CVE-2026-57822 Apache Artemis, Apache ActiveMQ Artemis: Message-based management parameter deserialization may lead to denial of service

When the broker is processing message-based management requests, sent by an authenticated messaging client that is authorized with MANAGE permission to perform management-via-messaging, the parameter processing can trigger Java deserialization of certain method parameters that the broker will not...

CVE-2026-75880

CVE-2026-75880 affects Apache Artemis (versions 2.50.0 through 2.56.0) and Apache ActiveMQ Artemis (versions 1.0.0 through 2.44.0). An authenticated client can attach a consumer with a message selector containing crafted wildcard usage, causing excessive evaluation during message delivery. This o...

EUVD-2026-75244

An authenticated client could attach a consumer with a selector containing crafted wildcard usage that results in excessive evaluation during message delivery attempts, occupying a shared broker thread and leading to denial of service. This issue affects Apache Artemis: from 2.50.0 through 2.56.0...

CVE-2026-75880 Apache Artemis, Apache ActiveMQ Artemis: Message selector wildcard handling could lead to denial of service

An authenticated client could attach a consumer with a selector containing crafted wildcard usage that results in excessive evaluation during message delivery attempts, occupying a shared broker thread and leading to denial of service. This issue affects Apache Artemis: from 2.50.0 through 2.56.0...

CVE-2026-75880 Apache Artemis, Apache ActiveMQ Artemis: Message selector wildcard handling could lead to denial of service

An authenticated client could attach a consumer with a selector containing crafted wildcard usage that results in excessive evaluation during message delivery attempts, occupying a shared broker thread and leading to denial of service. This issue affects Apache Artemis: from 2.50.0 through 2.56.0...

Exploit for CVE-2026-86060

CVE-2026-86060 — MikroTik RouterOS SSH Pre-Authentication Priv...

CLEANSTART-2026-VO98287 Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection

Multiple security vulnerabilities affect the vault package. Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection. See references for individual vulnerability details...

CLEANSTART-2026-ED42524 Applications which accept user-supplied Spring Expression Language (SpEL) expressions may be vulnerable to a Denial of Service (DoS) attack if the evaluation of a SpEL expression triggers unbounded...

Multiple security vulnerabilities affect the spring-boot package. Applications which accept user-supplied Spring Expression Language SpEL expressions may be vulnerable to a Denial of Service DoS attack if the evaluation of a SpEL expression triggers unbounded cache growth. See references for...

Important: Red Hat Security Advisory: freerdp security update

An update for freerdp is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring...

FreeRDP: FreeRDP: Denial of Service via heap out-of-bounds read

A heap out-of-bounds read vulnerability in FreeRDP allows an unauthenticated, malicious RDP server to cause a Denial of Service. By sending a specially crafted glyph fragment update, the server forces the client to read beyond its allocated memory, crashing the application...

FreeRDP: FreeRDP: Denial of Service via crafted smartcard cache requests

A flaw was found in FreeRDP. When smartcard emulation is enabled, a remote attacker can send specially crafted smartcard cache requests to a FreeRDP client. This can lead to a null pointer dereference, causing the client process to terminate and disrupting active remote desktop sessions...

FreeRDP: FreeRDP: Memory disclosure or denial of service via crafted RDP update orders

A flaw was found in FreeRDP. When the async-update feature is enabled, a malicious or compromised Remote Desktop Protocol RDP server can send specially crafted update orders. This can lead to an out-of-bounds read, potentially exposing sensitive information or causing the client application to...

FreeRDP: FreeRDP: Memory disclosure or denial of service via crafted RDP update orders

A flaw was found in FreeRDP. When the async-update feature is enabled, a malicious or compromised Remote Desktop Protocol RDP server can send specially crafted update orders. This can lead to an out-of-bounds read, potentially exposing sensitive information or causing the client application to...

Important: Red Hat Security Advisory: freerdp security update

An update for freerdp is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabili...

FreeRDP: FreeRDP: Denial of Service via heap out-of-bounds read

A heap out-of-bounds read vulnerability in FreeRDP allows an unauthenticated, malicious RDP server to cause a Denial of Service. By sending a specially crafted glyph fragment update, the server forces the client to read beyond its allocated memory, crashing the application...

FreeRDP: FreeRDP: Denial of Service via crafted smartcard cache requests

A flaw was found in FreeRDP. When smartcard emulation is enabled, a remote attacker can send specially crafted smartcard cache requests to a FreeRDP client. This can lead to a null pointer dereference, causing the client process to terminate and disrupting active remote desktop sessions...

polkit: Polkit: Denial of Service via unbounded input processing through standard input

A flaw was found in polkit. A local user can exploit this by providing a specially crafted, excessively long input to the polkit-agent-helper-1 setuid binary via standard input stdin. This unbounded input can lead to an out-of-memory OOM condition, resulting in a Denial of Service DoS for the...

CLEANSTART-2026-AJ83096 Enforce a recursion limit in Unmarshal to prevent stack exhaustion when parsing deeply-nested, recursive structures

Multiple security vulnerabilities affect the logstash-exporter package. Enforce a recursion limit in Unmarshal to prevent stack exhaustion when parsing deeply-nested, recursive structures. See references for individual vulnerability details...