CVE-2026-102024 Junos OS and Junos OS Evolved: An attacker causes a routing daemon crash when BGP extended-nexthop-tunnel is used
An authenticated BGP peer can crash the routing daemon via integer overflow when extended-nexthop-tunnel is enabled.
- 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-2026-102024?
CVE-2026-102024 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
An Integer Overflow or Wraparound vulnerability in the routing daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an authenticated BGP peer to cause a denial of service via BGP route updates when extended-nexthop-tunnel is enabled.
Weakness: CWE-190
Which versions are affected by CVE-2026-102024?
How do I fix CVE-2026-102024?
No fix has been published for CVE-2026-102024 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-102024 being exploited?
There is no known exploitation of CVE-2026-102024 in the wild and no public exploit code.
Sources
Also known as GHSA-5x3h-q26c-2282.