CVE-2014-6449: Juniper Junos

Medium severity, CVSS 5.0. EPSS: 1.7% chance of exploitation in the next 30 days.

Juniper Junos OS before 12.1X44-D50, 12.1X46 before 12.1X46-D35, 12.1X47 before 12.1X47-D25, 12.3 before 12.3R10, 12.3X48 before 12.3X48-D15, 13.2 before 13.2R8, 13.3 before 13.3R7, 14.1 before 14.1R5, and 14.2 before 14.2R1 do not properly handle TCP packet reassembly, which allows remote attackers to cause a denial of service (buffer consumption) via a crafted sequence of packets "destined to the device."

Affected products

• Juniper Junos: version 12.1x44 only; version 12.1x46 only; version 12.1x47 only; version 12.3 only; version 12.3x48 only; version 13.2 only; …

Published 2015-10-16. Last modified 2026-06-17.