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CVE-2026-102051

CVE-2026-102051 · Junos OS and Junos OS Evolved: An attacker causes l2cpd memory exhaustion when LLDP fast receive processing is enabled

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An Improper Release of Memory Before Removing Last Reference vulnerability in the l2cpd process of Juniper Networks Junos OS and Junos OS Evolved platforms allows an adjacent unauthenticated attacker to cause l2cpd memory exhaustion and Layer 2 control-plane disruption via LLDP traffic when fast receive processing is enabled.

CVSS 7.1 · Élevée · EPSS 0,3% · Correctif disponible

Publication
Mise à jour

Produits et versions concernés

  • junos os

    Versions du logiciel
    • ≥ 0, < 23.2R2-S7.7: Concernée (custom)
    • ≥ 23.4, < 23.4R2-S8.13: Concernée (custom)
    • ≥ 24.2, < 24.2R2-S5.5: Concernée (custom)
    • ≥ 24.4, < 24.4R2-S5: Concernée (custom)
    • ≥ 25.2, < 25.2R2-S2: Concernée (custom)
    • ≥ 25.4, < 25.4R1-S3: Concernée (custom)
    • ≥ 26.2, < 26.2R1-S2: Concernée (custom)

    Mettez à jour vers 23.2R2-S7.7

  • junos os evolved

    Versions du logiciel
    • ≥ 0, < 23.2R2-S7.7-EVO: Concernée (custom)
    • ≥ 23.4, < 23.4R2-S8.11-EVO: Concernée (custom)
    • ≥ 24.2, < 24.2R2-S5.6-EVO: Concernée (custom)
    • ≥ 24.4, < 24.4R2-S5-EVO: Concernée (custom)
    • ≥ 25.2, < 25.2R2-S2-EVO: Concernée (custom)
    • ≥ 25.4, < 25.4R1-S3-EVO: Concernée (custom)
    • ≥ 26.2, < 26.2R1-S2-EVO: Concernée (custom)
    • 23.4X100: Concernée (custom)
    • ≥ 25.2X100, < 25.2X100-D35-EVO: Concernée (custom)
    • ≥ 25.4X300, < 25.4X300-D40-EVO: Concernée (custom)

    Mettez à jour vers 23.2R2-S7.7-EVO; Mettez à jour vers 24.2R2-S5.6-EVO

Sources originales

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