CVE-2026-101977CWE-476

CVE-2026-101977

High · published October 14, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
38.9
In the wild
Unconfirmed
What it is

A NULL Pointer Dereference vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a configured eBGP peer to cause a persistent routing-daemon denial of service via a specific BGP packet when ephemeral configuration is used.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
8.7 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
EPSS
0.00460 · 38.9th percentile
Weakness
CWE-476 · NULL Pointer Dereference
Published
2026-10-14T21:17Z
References (1)
https://supportportal.juniper.net/JSA112187 · [email protected]
EPSS history
Timeline
  • 16 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 14 OCT 16:18Z
    Junos OS and Junos OS Evolved: A specific BGP packet causes an rpd crash when ephemeral configuration is used
    cvelistv5
  • 14 OCT 16:18Z
    Junos OS and Junos OS Evolved: A specific BGP packet causes an rpd crash when ephemeral configuration is used
    cvelistv5