Juniper Networks Junos OS security vulnerabilities

Juniper Networks Junos OS is a network operating system specifically designed for hardware devices used by Juniper Networks. This operating system provides secure programming interfaces and the Junos SDK. Vulnerabilities exist in versions of Juniper Networks Junos OS prior to 21.2R3-S10, 21.4R3-S...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002169)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002169 advisory. arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel through 3.17.2 does not have an exit handler for the INVVPID instruction, which allows guest OS users to...

PT-2026-3111

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS on MX, SRX and EX Series versions prior to 22.4R3-S8 Juniper Networks Junos OS on MX, SRX and EX Series versions 23.2 before 23.2R2-S5 Juniper Networks Junos OS on MX, SRX and EX Series versions 23.4 before 23.4R2-S6...

The vulnerability of the trusted execution environment allows for attacks on the Virtualization-Based Security (VBS) Enclave of Windows operating systems, enabling attackers to increase their privileges.

The vulnerability of the trusted execution environment for Virtualization-Based Security VBS in Windows operating systems is related to buffer overflows in dynamic memory. Exploiting this vulnerability can allow attackers to increase their privileges...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003124)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003124 advisory. Improper invalidation for page table updates by a virtual guest operating system for multiple IntelR Processors may allow an authenticated user to potentially enable...

Juniper Networks Junos OS and Juniper Networks Junos OS Evolved resource management vulnerabilities

Juniper Networks Junos OS and Juniper Networks Junos OS Evolved are both products of Juniper Networks, a US-based company. Juniper Networks Junos OS is a network operating system specifically designed for the company’s hardware devices. This operating system provides secure programming interfaces...

PT-2026-3108

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Juniper DHCP service jdhcpd of Juniper Networks Junos OS and Junos OS Evolved allows a DHCP client in one subnet to exhaust the address pools of other subnets, leading to a Denial of Service DoS on the downstream DHCP...

PT-2026-3129

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS on SRX Series versions 23.2R2-S2 through 23.2R2-S4 Juniper Networks Junos OS on SRX Series versions 23.4R2-S1 through 23.4R2-S4 Juniper Networks Junos OS on SRX Series versions prior to 24.2R2-S2 Juniper Networks Juno...

Juniper Networks Junos OS security vulnerabilities

Juniper Networks Junos OS is a network operating system specifically designed for hardware devices used by Juniper Networks. This operating system provides secure programming interfaces and the Junos SDK. Vulnerabilities exist in versions of Junos OS prior to 23.4R2-S5, 24.2R2-S1, and 24.4R2. The...

PT-2026-3124

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine PFE of Juniper Networks Junos OS on EX4k Series and QFX5k Series platforms allows an unauthenticated network-adjacent attacker flapping an interface to cause traffic between VXLAN Network...

The vulnerability of the Win32k.sys component of the Windows operating system, which allows a hacker to increase their privileges

The vulnerability of the Win32k.sys component of the Windows operating system is related to access to resources through incompatible types. Exploiting this vulnerability can allow an attacker to increase their privileges...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003053)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003053 advisory. The Linux kernel component in IBM PowerKVM 2.1 before 2.1.1.3-65.10 and 3.1 before 3.1.0.2 allows guest OS users to cause a denial of service host OS infinite loop a...

Mozilla Thunderbird < 147.0

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 147.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-04 advisory. - Memory safety bugs present in Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001853)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001853 advisory. Race condition in arch/x86/kvm/x86.c in the Linux kernel before 3.17.4 allows guest OS users to cause a denial of service guest OS crash via a crafted application th...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002761)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002761 advisory. arch/x86/kvm/vmx.c in the Linux kernel through 4.6.3 mishandles the APICv on/off state, which allows guest OS users to obtain direct APIC MSR access on the host OS,...

PT-2026-3123

A Missing Release of Memory after Effective Lifetime vulnerability in the routing protocol daemon rpd Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated attacker controlling an adjacent IS-IS neighbor to send a specific update packet causing a memory leak. Continued receipt...

Juniper Networks Junos OS security vulnerabilities

Juniper Networks Junos OS is a network operating system specifically designed for hardware devices used by Juniper Networks. This operating system provides secure programming interfaces and the Junos SDK. Vulnerabilities exist in versions of Juniper Networks Junos OS prior to 21.4R3-S12, 22.4R3-S...

PT-2026-3128

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS on SRX Series versions prior to 22.4R3-S8 Juniper Networks Junos OS on SRX Series versions 23.2 before 23.2R2-S5 Juniper Networks Junos OS on SRX Series versions 23.4 before 23.4R2-S6 Juniper Networks Junos OS on SRX...

Juniper Networks Junos OS security vulnerabilities

Juniper Networks Junos OS is a network operating system specifically designed for hardware devices of the company Juniper Networks. This operating system provides secure programming interfaces and the Junos SDK. Vulnerabilities exist in versions prior to Junos OS 21.2R3-S9, versions 21.4 to...

PT-2026-3112

An Improper Check for Unusual or Exceptional Conditions vulnerability in the routing protocol daemon rpd of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause an availability impact for downstream devices. When an affected device receives a...