Vulnerability · Published Jul 3, 2026 · Assigned by VulDB
CVE-2026-14607RT-Thread lwp_syscall.c sys_getaddrinfo memory corruption
Medium 5.5
In plain English
A medium-severity memory corruption in RT-Thread. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
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.
Affected products (as reported)
Weakness: CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:X/RC:R
References
- VDB-376115 | RT-Thread lwp_syscall.c sys_getaddrinfo memory corruption vdb-entry, technical-description
- VDB-376115 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-14607 | CVE Analysis and Report third-party-advisory
- Submit #844622 | RT-Thread v5.0.2 Improper Handling of Parameters third-party-advisory
- https://github.com/RT-Thread/rt-thread/issues/11428 exploit, issue-tracking
- https://github.com/RT-Thread/rt-thread/pull/11454 issue-tracking, patch
- https://github.com/RT-Thread/rt-thread/ product