CVE-2026-14607 RT-Thread lwp_syscall.c sys_getaddrinfo memory corruption
Local attackers can exploit memory corruption in RT-Thread's sys_getaddrinfo function to potentially execute arbitrary code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-14607?
CVE-2026-14607 is a medium-severity memory corruption vulnerability in RT-Thread, published on 3 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A weakness has been identified in RT-Thread up to 5.0.2. This affects the function sys_getaddrinfo of the file components/lwp/lwp_syscall.c. Executing a manipulation of the argument ai_addr can lead to memory corruption. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. The pull request to fix this issue awaits acceptance.
Weakness: CWE-119
Which versions are affected by CVE-2026-14607?
How do I fix CVE-2026-14607?
No fix has been published for CVE-2026-14607 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-2026-14607 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-14607 exists.
Sources
Also known as GHSA-g6q3-rr42-f5h7.