CVE-2026-102053CWE-401

CVE-2026-102053

Medium · published October 14, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
24.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/AU:Y/R:A/V:C/RE:M
EPSS
0.00326 · 24.5th percentile
Weakness
CWE-401 · Missing Release of Memory after Effective Lifetime
Published
2026-10-14T21:18Z
References (1)
https://supportportal.juniper.net/JSA112187 · [email protected]
EPSS history
Timeline
  • 16 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 14 OCT 16:54Z
    Junos OS and Junos OS Evolved: An EVPN-VXLAN memory leak causes denial of service when active-active multihoming is used
    cvelistv5
  • 14 OCT 16:54Z
    Junos OS and Junos OS Evolved: An EVPN-VXLAN memory leak causes denial of service when active-active multihoming is used
    cvelistv5