CVE-2026-14607 MEDIUM

CVE-2026-14607: RT-Thread lwp_syscall.c sys_getaddrinfo memory corruption

Vendor N/A
Product RT-Thread
Weakness CWE-119
Published July 3, 2026
Last update July 3, 2026

CVSS base score

6.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 3, 2026 CVE published