CVE-2026-112073: Tencent ncnn MatMul matmul.cpp matmul_transb out-of-bounds
A vulnerability was identified in Tencent ncnn up to 44b02dabdcf97499281a4692ebd65bad73dcf8b6. Affected by this vulnerability is the function matmultransb 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.
Affected Software
Event History
Frequently Asked Questions
What access does an attacker need to exploit this issue?
The attack vector is network-based and requires no privileges. User interaction is required for exploitation.
Which releases are known to be affected?
Tencent ncnn versions up to commit 44b02dabdcf97499281a4692ebd65bad73dcf8b6 are identified as affected. No fixed version is provided in the available data.
How likely is exploitation in practice?
A public exploit is available, and the exploit maturity is rated as proof-of-concept. This may make exploitation easier for attackers able to trigger the vulnerable processing path.