CVE-2026-14607

MEDIUM

RT-Thread lwp_syscall.c sys_getaddrinfo memory corruption

Title source: cna
STIX 2.1

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.

References (7)

Core 7
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-376115 | RT-Thread lwp_syscall.c sys_getaddrinfo memory corruption
https://vuldb.com/vuln/376115
Signature, Permissions Required signature permissions-required
VDB-376115 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/376115/cti
Third Party Advisory third-party-advisory
CVE-2026-14607 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-14607
Third Party Advisory third-party-advisory
Submit #844622 | RT-Thread v5.0.2 Improper Handling of Parameters
https://vuldb.com/submit/844622

Scores

CVSS v3 5.5
EPSS 0.0012
EPSS Percentile 2.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-119
Status published
Products (3)
None/RT-Thread 5.0.0
None/RT-Thread 5.0.1
None/RT-Thread 5.0.2
Published Jul 03, 2026
Tracked Since Jul 04, 2026