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 ↗

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

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

← All CVEs