CVE-2026-101981CWE-121

CVE-2026-101981

High · published October 14, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
14.9
In the wild
Unconfirmed
What it is

A Stack-based Buffer Overflow vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent LDP peer to cause an rpd crash or execute arbitrary code via a malformed LDP Label Mapping message.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
8.7 · CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L
EPSS
0.00245 · 14.9th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-10-14T22:17Z
References (1)
https://supportportal.juniper.net/JSA112187 · [email protected]
EPSS history
Timeline
  • 16 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 14 OCT 17:16Z
    Junos OS and Junos OS Evolved: An adjacent LDP peer causes routing-engine compromise when LDP is enabled
    cvelistv5
  • 14 OCT 17:16Z
    Junos OS and Junos OS Evolved: An adjacent LDP peer causes routing-engine compromise when LDP is enabled
    cvelistv5