CVE-2026-102760
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NetX Secure TLS Record Wipe Memory Corruption

Vulnerability report for CVE-2026-102760, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-29

Last updated on: 2026-09-29

Assigner: Eclipse Foundation

Description

When NetX Secure is built with `NX_SECURE_KEY_CLEAR`, every TLS record sent on an active session is wiped after it has been handed to TCP. By then the TCP layer owns the packet chain and may already have released it to the packet pool. The wipe therefore writes zeros into packets that are free or in use by another thread, and when a reused packet's pointers no longer describe the old data, the length of the wipe underflows and it runs past the end of the packet pool.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-09-29
Last Modified
2026-09-29
Generated
2026-09-29
AI Q&A
2026-09-29
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-416 The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

Attack-Flow Graph

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Executive Summary

This vulnerability occurs in NetX Secure when built with NX_SECURE_KEY_CLEAR. Every TLS record sent during an active session is wiped after being handed to TCP. The TCP layer may have already released the packet to the packet pool. The wipe operation then writes zeros into packets that are either free or in use by another thread. This causes the wipe length to underflow, leading to writes beyond the packet pool's end.

Impact Analysis

This vulnerability can cause memory corruption, leading to crashes, data corruption, or potential remote code execution. It may also allow unauthorized access to sensitive data if packets are improperly wiped or overwritten.

Mitigation Strategies

Disable the NX_SECURE_KEY_CLEAR option in NetX Secure builds to prevent the memory wipe issue. Review TLS session handling to ensure packet chains are not corrupted after transmission.

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