CVE-2026-102017 Junos OS and Junos OS Evolved: An attacker causes routing-plane denial of service when Auto-RP mapping is enabled
An unauthenticated attacker can cause routing-plane denial of service via out-of-bounds write in rpd when Auto-RP mapping is enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-102017?
CVE-2026-102017 is a high-severity memory corruption vulnerability in Juniper Networks Junos OS, published on 14 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An Out-of-bounds Write vulnerability in the rpd process of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated attacker to cause a routing-plane denial of service via Auto-RP mapping announcements received when Auto-RP mapping is enabled.
Weakness: CWE-787
Which versions are affected by CVE-2026-102017?
How do I fix CVE-2026-102017?
No fix has been published for CVE-2026-102017 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-102017 being exploited?
There is no known exploitation of CVE-2026-102017 in the wild and no public exploit code.
Sources
Also known as GHSA-7qp3-rgcv-rhpm.