CVE-2016-1276: Juniper Junos

Medium severity, CVSS 5.9. EPSS: 2.1% chance of exploitation in the next 30 days.

Juniper Junos OS before 12.1X46-D50, 12.1X47 before 12.1X47-D23, 12.3X48 before 12.3X48-D25, and 15.1X49 before 15.1X49-D40 on a High-End SRX-Series chassis system with one or more Application Layer Gateways (ALGs) enabled allow remote attackers to cause a denial of service (CPU consumption, fab link failure, or flip-flop failovers) via vectors related to in-transit traffic matching ALG rules.

Affected products

• Juniper Junos: version 12.1x46 only; version 12.1x47 only; version 12.3x48 only; version 15.1x49 only

Published 2016-08-05. Last modified 2026-06-17.