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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-101979

Junos OS and Junos OS Evolved: A network attacker causes root-level code execution or denial of service when SNMP and AAA are enabled

Description

A Stack-based Buffer Overflow vulnerability in the authd Juniper Networks Junos OS and Junos OS Evolved allows a network attacker with SNMP read access to execute code with root privileges or cause a denial of service via a specific SNMP packet, when SNMP and AAA are enabled.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Juniper Networks Junos OS

Default version status: unaffected

  • 0 to < 23.2R2-S7.7affected
  • 23.4 to < 23.4R2-S8.13affected
  • 24.2 to < 24.2R2-S5.5affected
  • 24.4 to < 24.4R2-S5affected
  • 25.2 to < 25.2R2-S2affected
  • 25.4 to < 25.4R1-S3affected
  • 26.2 to < 26.2R1-S2affected

Juniper Networks Junos OS Evolved

Default version status: unaffected

  • 0 to < 23.2R2-S7.7-EVOaffected
  • 23.4 to < 23.4R2-S8.11-EVOaffected
  • 24.2 to < 24.2R2-S5.6-EVOaffected
  • 24.4 to < 24.4R2-S5-EVOaffected
  • 25.2 to < 25.2R2-S2-EVOaffected
  • 25.4 to < 25.4R1-S3-EVOaffected
  • 26.2 to < 26.2R1-S2-EVOaffected
  • 23.4X100affected
  • 25.2X100 to < 25.2X100-D35-EVOaffected
  • 25.4X300 to < 25.4X300-D40-EVOaffected

References