CVE-2026-11576

HighCVSS 7.5/10Last modified Jul 2, 2026

Description

The security fix for CVE-2025-0728 in eclipse-threadx NetX Duo refactors error handling in the HTTP server PUT process to use a shared cleanup label, but this unified cleanup path unconditionally calls fx_file_close() even when the file was never successfully opened. Multiple error branches jump to the shared cleanup label before any file open operation has occurred, causing fx_file_close() to operate on an uninitialized file handle, leading to undefined behavior, double-close issues, or memory corruption.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-415 CWE-459 CWE-908

Affected software

No affected versions have been published.

Timeline

Published: Jun 19, 2026
Last modified: Jul 2, 2026
NVD status: Analyzed

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