CVE-2026-94018 — NetX Duo Web HTTP server releases an uninitialized packet pointer on the PUT Content-Length underflow path

CVE-2026-94018

NetX Duo Web HTTP server releases an uninitialized packet pointer on the PUT Content-Length underflow path PUBLISHED

Description (CNA)

The Web add-on's HTTP server dereferences and releases an uninitialized pointer when it detects a `Content-Length` underflow while processing a `PUT` request. The condition is reachable by an unauthenticated remote client with a single malformed request.

Affected (CNA)

Vendor / product	Versions
Eclipse Foundation / Eclipse ThreadX - NetX Duo	affected 6.4.2 through 6.5.1.202602; unaffected 6.5.2.202603

CWE

CWE-457, CWE-824

References

https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-wjxf-gjm5-jh5q

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.