Memory Management Flaw in Junos OS from Juniper Networks
CVE-2026-102032

7.1HIGH

Key Information:

Vendor

Juniper Networks
Status
Junos Os
Junos Os Evolved
Vendor
CVE Published:
14 October 2026

Badges

👾 Exploit Exists

What is CVE-2026-102032?

A vulnerability in the l2ald process of Junos OS and Junos OS Evolved can be exploited by an unauthenticated adjacent attacker. By sending specially crafted packets when the static MAC-IP feature is enabled, an attacker can trigger a denial of service, impacting system availability and performance.

Affected Version(s)

Junos OS 23.4 < 23.4R2-S8.13

Junos OS 24.2 < 24.2R2-S5.5

Junos OS 24.4 < 24.4R2-S5

References

https://www.juniper.net/documentation/us/en/software/juno...
product
https://supportportal.juniper.net/JSA112187
vendor-advisory

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.