An Integer Underflow (Wrap or Wraparound) vulnerability in the rpd process of Juniper Networks Junos OS on EX Series and MX Series, and Junos OS Evolved on ACX Series allows an unauthenticated adjacent attacker to cause heap memory disclosure and multicast join-state injection via a malformed Rosen-MVPN message.
This issue only affects platforms that support draft Rosen MVPN, such as the ACX Series, EX Series, and MX Series.
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://supportportal.juniper.net/JSA112187 |
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History
Fri, 23 Oct 2026 15:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Juniper Networks
Juniper Networks junos Os Juniper Networks junos Os Evolved |
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| Vendors & Products |
Juniper Networks
Juniper Networks junos Os Juniper Networks junos Os Evolved |
Wed, 14 Oct 2026 17:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | An Integer Underflow (Wrap or Wraparound) vulnerability in the rpd process of Juniper Networks Junos OS on EX Series and MX Series, and Junos OS Evolved on ACX Series allows an unauthenticated adjacent attacker to cause heap memory disclosure and multicast join-state injection via a malformed Rosen-MVPN message. This issue only affects platforms that support draft Rosen MVPN, such as the ACX Series, EX Series, and MX Series. | |
| Title | Junos OS and Junos OS Evolved: EX Series, MX Series, ACX Series: An attacker causes rpd heap memory disclosure when Rosen-MVPN data-MDT is enabled | |
| Weaknesses | CWE-191 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: juniper
Published: 2026-10-14T16:43:07.660Z
Updated: 2026-10-16T15:31:48.596Z
Reserved: 2026-09-28T16:31:35.502Z
Link: CVE-2026-101968
No data.
Status : Awaiting Analysis
Published: 2026-10-14T17:17:49.243
Modified: 2026-10-16T16:16:50.070
Link: CVE-2026-101968
No data.