CVE-2024-2452: Integer wraparound, under-allocation, and heap buffer overflow in Eclipse ThreadX NetX Duo __portable_aligned_alloc()

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-03-26 · updated 2026-06-17
Weakness: CWE-120

Description

In Eclipse ThreadX NetX Duo before 6.4.0, if an attacker can control parameters of __portable_aligned_alloc() could cause an integer wrap-around and an allocation smaller than expected. This could cause subsequent heap buffer overflows.

Affected products

Eclipse Foundation NetX Duo: before 6.4.0 — fixed in 6.4.0

How to fix

Upgrade to a fixed version: Eclipse Foundation NetX Duo 6.4.0. Check the vendor advisory for mitigations.

References

http://seclists.org/fulldisclosure/2024/May/35
http://www.openwall.com/lists/oss-security/2024/05/28/1
https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-h963-7vhw-8rpx
http://seclists.org/fulldisclosure/2024/May/35
http://www.openwall.com/lists/oss-security/2024/05/28/1
https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-h963-7vhw-8rpx

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