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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-102052

Junos OS and Junos OS Evolved: An attacker causes jdhcpd to crash when the DHCPv4 local-client feature is used

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Status
Published
Published
Updated
Assigning organization
juniper

Description

A Stack-based Buffer Overflow vulnerability in the jdhcpd process of Juniper Networks Junos OS and Junos OS Evolved platforms allows an adjacent unauthenticated attacker to cause denial of service or execute arbitrary code with root privileges via a malformed DHCPv4 server response when the DHCPv4 local-client feature is used.

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