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OpenAdvisories
Critical · 9.8 CVE-2026-101950 EUVD-2026-101471GHSA-6v87-cfwg-v42j

Junos OS: SRX Series: Malformed IPv4 packets cause packet-forwarding process crash when Secure Vector Routing is enabled

Published Oct 14, 2026 · Updated Oct 17, 2026 · Assigned by juniper

Description

A Heap-based Buffer Overflow vulnerability in the SVR component of Juniper Networks Junos OS on SRX Series allows an unauthenticated network attacker to cause a denial of service and potentially compromise confidentiality and integrity via malformed IPv4 packets reaching an interface configured for Secure Vector Routing.

Affected products

VendorProductAffectedFixed
Juniper Networks Junos OS < 23.2R2-S7.7, 23.4 – < 23.4R2-S8.13, 24.2 – < 24.2R2-S5.5, 24.4 – < 24.4R2-S5, 25.2 – < 25.2R2-S2, 25.4 – < 25.4R1-S3, 26.2 – < 26.2R1-S2 23.2R2-S7.7

References