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CVE PROGRAM SOURCE RECORD6.9 Medium

CVE-2026-102053

Junos OS and Junos OS Evolved: An EVPN-VXLAN memory leak causes denial of service when active-active multihoming is used

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Status
Published
Published
Updated
Assigning organization
juniper

Description

An Improper Release of Memory Before Removing Last Reference vulnerability in the l2ald process of Juniper Networks Junos OS and Junos OS Evolved on QFX5K-family platforms allows a configured EVPN peer to cause a denial of service through memory exhaustion via EVPN-VXLAN active-active multihoming route processing.

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