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CVE-2026-112073— Tencent ncnn MatMul matmul.cpp matmul_transb out-of-bounds

Quick assessment

Affected
Tencent ncnn
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在腾讯 ncnn 项目（版本截至 44b02dabdcf97499281a4692ebd65bad73dcf8b6）中发现了一个漏洞。该漏洞影响位于 文件中的 函数，属于 MatMul 组件。攻击者可通过恶意操作触发越界读取漏洞。该攻击可远程发起，且利用代码已公开，可能被实际利用。项目方此前已通过问题报告获知此漏洞，但截至目前尚未作出回应。

CVSS 6.3 · Medium EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-112073

Vulnerability Information
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Vulnerability Title
Tencent ncnn MatMul matmul.cpp matmul_transb out-of-bounds
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in Tencent ncnn up to 44b02dabdcf97499281a4692ebd65bad73dcf8b6. Affected by this vulnerability is the function matmul_transb of the file src/layer/matmul.cpp of the component MatMul. The manipulation leads to out-of-bounds read. The attack can be initiated remotely. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Tencent ncnn 44b02dabdcf97499281a4692ebd65bad73dcf8b6 cpe:2.3:a:tencent:ncnn:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-112073

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-112073

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Vendor Advisories for CVE-2026-112073 (1)

IV. Related Vulnerabilities

Same product: ncnn
Same vendor: Tencent
Same weakness: CWE-125

V. Comments for CVE-2026-112073

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