CVE-2026-102029 Null dereference in Junos OS
An attacker can cause a denial of service in the routing daemon by exploiting a null pointer dereference in MSDP or PIM policies using AS-path expansion.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-102029?
CVE-2026-102029 is a high-severity vulnerability in Juniper Networks Junos OS, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A NULL Pointer Dereference vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated configured MSDP peer or adjacent PIM sender to cause a denial of service via an MSDP or PIM policy that uses AS-path expansion.
Weakness: CWE-476
Which versions are affected by CVE-2026-102029?
How do I fix CVE-2026-102029?
No fix has been published for CVE-2026-102029 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-102029 being exploited?
There is no known exploitation of CVE-2026-102029 in the wild and no public exploit code.
Sources
Also known as GHSA-fw7m-qhrv-4q2p.