CVE-2026-21903

A Stack-based Buffer Overflow vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS allows a network-based attacker, authenticated with low privileges to cause a Denial-of-Service DoS. Subscribing to telemetry sensors at scale causes all FPC connections to drop, resulting...

CVE-2026-21903

A Stack-based Buffer Overflow vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS allows a network-based attacker, authenticated with low privileges to cause a Denial-of-Service DoS. Subscribing to telemetry sensors at scale causes all FPC connections to drop, resulting...

EUVD-2026-2693

A Use After Free vulnerability in the chassis daemon chassisd of Juniper Networks Junos OS and Junos OS Evolved allows a network-based attacker authenticated with low privileges to cause a Denial-of-Service DoS. When telemetry collectors are frequently subscribing and unsubscribing to sensors...

CVE-2026-21921 Junos OS and Junos OS Evolved: When telemetry collectors are frequently subscribing and unsubscribing to sensors chassisd or rpd will crash

A Use After Free vulnerability in the chassis daemon chassisd of Juniper Networks Junos OS and Junos OS Evolved allows a network-based attacker authenticated with low privileges to cause a Denial-of-Service DoS. When telemetry collectors are frequently subscribing and unsubscribing to sensors...

CVE-2026-21921 Junos OS and Junos OS Evolved: When telemetry collectors are frequently subscribing and unsubscribing to sensors chassisd or rpd will crash

A Use After Free vulnerability in the chassis daemon chassisd of Juniper Networks Junos OS and Junos OS Evolved allows a network-based attacker authenticated with low privileges to cause a Denial-of-Service DoS. When telemetry collectors are frequently subscribing and unsubscribing to sensors...

CVE-2026-21921

A Use After Free vulnerability in the chassis daemon chassisd of Juniper Networks Junos OS and Junos OS Evolved allows a network-based attacker authenticated with low privileges to cause a Denial-of-Service DoS. When telemetry collectors are frequently subscribing and unsubscribing to sensors...

CVE-2026-21921

Summary (CVE-2026-21921) : A Use After Free in the chassis daemon (chassisd) of Juniper Junos OS and Junos OS Evolved can allow a network-based attacker with low privileges to cause a Denial-of-Service. The issue arises when telemetry collectors repeatedly subscribe/unsubscribe to sensors, causin...

CVE-2026-21903 Junos OS: Subscribing to telemetry sensors at scale causes all FPCs to crash

A Stack-based Buffer Overflow vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS allows a network-based attacker, authenticated with low privileges to cause a Denial-of-Service DoS. Subscribing to telemetry sensors at scale causes all FPC connections to drop, resulting...

CVE-2026-21903

CVE-2026-21903 is a stack-based buffer overflow in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS. A network-based attacker with low privileges can trigger a Denial-of-Service by subscribing to telemetry sensors at scale, which causes all FPC connections to drop, an FPC crash, an...

CVE-2026-21903

A Stack-based Buffer Overflow vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS allows a network-based attacker, authenticated with low privileges to cause a Denial-of-Service DoS. Subscribing to telemetry sensors at scale causes all FPC connections to drop, resulting...

CVE-2026-21903 Junos OS: Subscribing to telemetry sensors at scale causes all FPCs to crash

A Stack-based Buffer Overflow vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS allows a network-based attacker, authenticated with low privileges to cause a Denial-of-Service DoS. Subscribing to telemetry sensors at scale causes all FPC connections to drop, resulting...

EUVD-2026-2692

A Stack-based Buffer Overflow vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS allows a network-based attacker, authenticated with low privileges to cause a Denial-of-Service DoS. Subscribing to telemetry sensors at scale causes all FPC connections to drop, resulting...

PT-2026-3118

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS versions prior to 22.4R3-S7 Juniper Networks Junos OS versions prior to 23.2R2-S4 Juniper Networks Junos OS versions prior to 23.4R2 Description A Stack-based Buffer Overflow exists in the Packet Forwarding Engine pfe...

Critical Node.js Vulnerability Can Cause Server Crashes via async_hooks Stack Overflow

Node.js has released updates to fix what it described as a critical security issue impacting "virtually every production Node.js app" that, if successfully exploited, could trigger a denial-of-service DoS condition. "Node.js/V8 makes a best-effort attempt to recover from stack space exhaustion wi...

RHEL 10 : opentelemetry-collector (RHSA-2026:0514)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:0514 advisory. Collector with the supported components for a Red Hat build of OpenTelemetry Security Fixes: github.com/expr-lang/expr: Expr: Denial of Service via...

RHEL 9 : opentelemetry-collector (RHSA-2026:0513)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:0513 advisory. Collector with the supported components for a Red Hat build of OpenTelemetry Security Fixes: github.com/expr-lang/expr: Expr: Denial of Service via...

RHEL 9 : opentelemetry-collector (RHSA-2026:0512)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:0512 advisory. Collector with the supported components for a Red Hat build of OpenTelemetry Security Fixes: github.com/expr-lang/expr: Expr: Denial of Service via...

CVE-2021-41036

In versions prior to 1.1 of the Eclipse Paho MQTT C Client, the client does not check remlen size in readpacket...

CVE-2020-10630

SAE IT-systems FW-50 Remote Telemetry Unit RTU. The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in the output used as a webpage that is served to other users...

CVE-2020-10634

SAE IT-systems FW-50 Remote Telemetry Unit RTU. A specially crafted request could allow an attacker to view the file structure of the affected device and access files that should be inaccessible...