PT-2026-56979 · Juniper Networks · Junos+1

Publicado

2026-07-09

·

Atualizado

2026-07-09

·

CVE-2026-57025

CVSS v3.1

5.5

Média

VetorAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
A Return of Pointer Value Outside of Expected Range vulnerability in the fileio library of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privilged attacker to cause a Denial-of-Service (DoS).
On EX Series, QFX Series and MX Series a low-privileged attacker issuing a specific 'show l2-learning' command will cause an l2ald crash which will lead to a temporary service impact for all layer 2 services until the process has automatically restarted.
This issue affects EX Series, QFX Series, MX Series: Junos OS:
  • all versions before 23.2R2-S7,
  • 23.4 versions before 23.4R2-S7,
  • 24.2 versions before 24.2R2,
  • 24.4 versions before 24.4R1-S2.
Junos OS Evolved:
  • all versions before 23.2R2-S7-EVO,
  • 23.4 versions before 23.4R2-S8-EVO,
  • 24.2 versions before 24.2R2-EVO,
  • 24.4 versions before 24.4R1-S3-EVO.

Correção

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Enumeração de Fraquezas

Identificadores relacionados

CVE-2026-57025

Produtos afetados

Junos
Junos Evolved