CVE-2026-21905

A Loop with Unreachable Exit Condition 'Infinite Loop' vulnerability in the SIP application layer gateway ALG of Juniper Networks Junos OS on SRX Series and MX Series with MX-SPC3 or MS-MPC allows an unauthenticated network-based attacker sending specific SIP messages over TCP to crash the flow...

EUVD-2026-2687

A Loop with Unreachable Exit Condition 'Infinite Loop' vulnerability in the SIP application layer gateway ALG of Juniper Networks Junos OS on SRX Series and MX Series with MX-SPC3 or MS-MPC allows an unauthenticated network-based attacker sending specific SIP messages over TCP to crash the flow...

CVE-2026-21905

CVE-2026-21905 affects Juniper Junos OS on SRX Series and MX Series with MX-SPC3 or MS-MPC. The vulnerability is a loop with an unreachable exit condition in the SIP application layer gateway (ALG) that can be triggered by processing multiple SIP messages over TCP. This causes the flow management...

EUVD-2020-12515

Malware in sbrugna...

EUVD-2020-12542

Malware in sbrugna...

CVE-2025-52982

An Improper Resource Shutdown or Release vulnerability in the SIP ALG of Juniper Networks Junos OS on MX Series with MS-MPC allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. When an MX Series device with an MS-MPC is configured with two or more service sets which...

CVE-2025-52982

Juniper Junos OS MX Series with MS-MPC SIP ALG is affected. When two or more SIP-processing service sets run, an improper resource shutdown can cause the MS-MPC to crash and restart, enabling unauthenticated network-based DoS. Affected versions: all before 21.2R3-S9; 21.4 from 21.4R1; 22.2 before...

CVE-2025-52982 Junos OS: MX Series: When specific SIP packets are processed the MS-MPC will crash

An Improper Resource Shutdown or Release vulnerability in the SIP ALG of Juniper Networks Junos OS on MX Series with MS-MPC allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. When an MX Series device with an MS-MPC is configured with two or more service sets which...

CVE-2025-52982 Junos OS: MX Series: When specific SIP packets are processed the MS-MPC will crash

An Improper Resource Shutdown or Release vulnerability in the SIP ALG of Juniper Networks Junos OS on MX Series with MS-MPC allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. When an MX Series device with an MS-MPC is configured with two or more service sets which...

CVE-2025-52982: Improper Resource Shutdown or Release

An Improper Resource Shutdown or Release vulnerability in the SIP ALG of Juniper Networks Junos OS on MX Series with MS-MPC allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. When an MX Series device with an MS-MPC is configured with two or more service sets which...

CVE-2024-39551

An Uncontrolled Resource Consumption vulnerability in the H.323 ALG Application Layer Gateway of Juniper Networks Junos OS on SRX Series and MX Series with SPC3 and MS-MPC/MIC, allows an unauthenticated network-based attacker to send specific packets causing traffic loss leading to Denial of...

CVE-2024-39551 Junos OS: SRX Series and MX Series with SPC3 and MS-MPC/MIC: Receipt of specific packets in H.323 ALG causes traffic drop

An Uncontrolled Resource Consumption vulnerability in the H.323 ALG Application Layer Gateway of Juniper Networks Junos OS on SRX Series and MX Series with SPC3 and MS-MPC/MIC, allows an unauthenticated network-based attacker to send specific packets causing traffic loss leading to Denial of...

CVE-2024-30392

A Stack-based Buffer Overflow vulnerability in Flow Processing Daemon flowd of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause Denial of Service DoS. On all Junos OS MX Series platforms with SPC3 and MS-MPC/-MIC, when URL filtering is enabled and a specific UR...

The vulnerability of the SIP ALG firewall on Juniper Networks Junos operating systems on devices with MS-MPC or MS-MIC interfaces allows a attacker to cause a service failure.

The vulnerability of the SIP ALG server on Juniper Networks’ Junos operating system on devices with MS-MPC or MS-MIC interfaces is related to incorrect handling of requests. Exploiting this vulnerability can allow a malicious actor to cause service failures...

CVE-2021-31369

On MX Series platforms with MS-MPC/MS-MIC, an Allocation of Resources Without Limits or Throttling vulnerability in Juniper Networks Junos OS allows an unauthenticated network attacker to cause a partial Denial of Service DoS with a high rate of specific traffic. If a Class of Service CoS rule is...

Input validation

An Improper Check for Unusual or Exceptional Conditions in packet processing on the MS-MPC/MS-MIC utilized by Juniper Networks Junos OS allows a malicious attacker to send a specific packet, triggering the MS-MPC/MS-MIC to reset, causing a Denial of Service DoS. Continued receipt and processing o...

Design/Logic Flaw

On MX Series platforms with MS-MPC/MS-MIC, an Allocation of Resources Without Limits or Throttling vulnerability in Juniper Networks Junos OS allows an unauthenticated network attacker to cause a partial Denial of Service DoS with a high rate of specific traffic. If a Class of Service CoS rule is...

CVE-2021-31369

CVE-2021-31369 affects Juniper Networks Junos OS on MX Series with MS-MPC/MS-MIC. The issue is an Allocation of Resources Without Limits or Throttling vulnerability that allows an unauthenticated network attacker to cause a partial Denial of Service by generating high-rate traffic. If a Class of ...

CVE-2021-31369 Junos OS: MX Series: Traffic drops will be observed if MS-MPC/MS-PIC resources are consumed by certain traffic causing a partial DoS

On MX Series platforms with MS-MPC/MS-MIC, an Allocation of Resources Without Limits or Throttling vulnerability in Juniper Networks Junos OS allows an unauthenticated network attacker to cause a partial Denial of Service DoS with a high rate of specific traffic. If a Class of Service CoS rule is...

Juniper Junos OS Vulnerability (JSA11231)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA11231 advisory. - On MX Series platforms with MS-MPC/MS-MIC, an Allocation of Resources Without Limits or Throttling vulnerability in Juniper Networks Junos OS allows an unauthenticated...