CVE-2026-33795CWE-197

CVE-2026-33795

High · published October 14, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
30.1
In the wild
Unconfirmed
What it is

A Numeric Truncation Error vulnerability in the rpd process of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker to cause a denial of service via a BGP Prefix-SID route advertisement that is subsequently re-advertised.

This issue does not affect versions of Junos OS prior to 20.4R1.

This issue does not affect versions of Junos OS Evolved prior to 20.4R1-EVO

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/AU:Y/R:A/V:C/RE:M
EPSS
0.00373 · 30.1th percentile
Weakness
CWE-197 · Numeric Truncation Error
Published
2026-10-14T21:18Z
References (1)
https://supportportal.juniper.net/JSA112187 · [email protected]
EPSS history
Timeline
  • 16 OCT 03:29Z
    EPSS moved — → 0%
    epss
  • 14 OCT 16:59Z
    Junos OS and Junos OS Evolved: An attacker causes a routing-daemon crash when BGP Prefix-SID routes are re-advertised
    cvelistv5
  • 14 OCT 16:59Z
    Junos OS and Junos OS Evolved: An attacker causes a routing-daemon crash when BGP Prefix-SID routes are re-advertised
    cvelistv5