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critical advisory

Heap-based Buffer Overflow in Juniper Junos OS SVR Component

An unauthenticated heap-based buffer overflow in the Secure Vector Routing (SVR) component of Juniper Junos OS allows remote attackers to trigger denial-of-service or potentially execute arbitrary code via malformed IPv4 packets.

Junos OS +8 vulnerability network-infrastructure juniper rce dos networking remote-code-execution cve +10
6t 1c
critical advisory

Critical Unauthenticated RCE Vulnerability in Junos OS Evolved

A critical unauthenticated remote code execution vulnerability, CVE-2026-21902, exists in Juniper Networks Junos OS Evolved PTX Series, allowing a network-based attacker to execute code as root, requiring immediate patching and increased monitoring.

junos rce vulnerability
2r 3t
high advisory

Juniper Junos OS SRX Series ICMPv6 Denial-of-Service Vulnerability (CVE-2026-33790)

A specific, malformed ICMPv6 packet sent to a Juniper Networks Junos OS SRX Series device can trigger a crash and restart of the srxpfe process, leading to a sustained Denial of Service.

Junos OS +1 dos icmpv6 junos srx nat64
2r 1t 1c