CVE-2026-11576

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.

PUBLISHED Reserved 2026-06-08 | Published 2026-06-19 | Updated 2026-06-22 | Assigner eclipse

Problem types

CWE-415 Double free

CWE-459 Incomplete cleanup

CWE-908 Use of uninitialized resource

Product status

Credits

@decsecre583 finder

References

gitlab.eclipse.org/security/cve-assignment/-/work_items/123

cve.org (CVE-2026-11576)

nvd.nist.gov (CVE-2026-11576)

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