---
title: "CVE-2026-102068: Juniper Networks Junos OS Evolved - Buffer Overflow"
description: "Juniper Networks Junos OS Evolved contains a stack-based buffer overflow caused by crafted TCP packets when key-chain authentication is used for BGP or LDP, letting unauthenticated remote attackers trigger a kernel panic."
url: https://panop.io/threat-heartbeat/CVE-2026-102068/
---

# CVE-2026-102068 Juniper Networks Junos OS Evolved - Buffer Overflow

Juniper Networks Junos OS Evolved contains a stack-based buffer overflow caused by crafted TCP packets when key-chain authentication is used for BGP or LDP, letting unauthenticated remote attackers trigger a kernel panic.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-102068)

## Details

Type

Buffer Overflow

Impact

Denial Of Service

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Published

14 October 2026

Updated

15 October 2026

Weakness

[CWE-121](https://cwe.mitre.org/data/definitions/121.html)

## Vendor fix

Update to the latest version of Junos OS Evolved.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-102068](https://nvd.nist.gov/vuln/detail/CVE-2026-102068)
- [https://supportportal.juniper.net/JSA112250](https://supportportal.juniper.net/JSA112250)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)