CVE-2026-50144

HighCVSS 7.1/10Last modified Oct 24, 2026

Description

ncnn is a high-performance neural network inference framework optimized for the mobile platform. In commit e54f7b1f88434e1d844ea0551b880a1cfb079ce1 and earlier, ncnn allows an out-of-bounds heap write in ncnn::ParamDict::load_param() when Net::load_param() loads a malicious .param model file because the parsed parameter id is checked only against id >= NCNN_MAX_PARAM_COUNT, allowing a negative id to index before the params[NCNN_MAX_PARAM_COUNT] array. This vulnerability is fixed by commit 5a0288f255daa6c3294f77109f67718e434ec020.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

Weakness enumeration

CWE-20 CWE-129 CWE-787

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
Tencent	ncnn	< 5a0288f255daa6c3294f77109f67718e434ec020; <= 20260526

References

Timeline

Published: Jul 15, 2026
Last modified: Oct 24, 2026
NVD status: Awaiting Analysis

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