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    CVE-2026-101980

    An Integer Underflow vulnerability in the kernel of Juniper Networks Junos OS with Extended Echo configured allows an unauthenticated, network-based attacker to cause a denial of service by a kernel crash.

    Published:Oct 14, 2026
    Last Modified:Oct 16, 2026
    EPS:Oct 14, 2026
    EPSS Score:0.0047
    CVSS Score:9.8

    Affected Products

    Vendor
    Juniper Networks
    Product
    Junos Os

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-101964 (CVSS 7.1) — A Reachable Assertion vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Juno…
    CVE-2026-101963 (CVSS 8.7) — An Incorrect Calculation vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and J…
    CVE-2026-101962 (CVSS 8.7) — An Improper Handling of Length Parameter Inconsistency vulnerability in the routing protocol daemon (rpd) of J…
    CVE-2026-101961 (CVSS 8.7) — A NULL Pointer Dereference vulnerability in the routing-policy nexthop-ECMP matcher of Juniper Networks Junos …
    CVE-2026-101959 (CVSS 7.1) — A Function Call With Incorrect Variable or Reference as Argument vulnerability in the routing protocol daemon …
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High