CVE-2026-112073 Tencent ncnn MatMul matmul.cpp matmul_transb out-of-bounds
An out-of-bounds read in Tencent ncnn's MatMul layer allows remote attackers to cause denial of service or read sensitive memory.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-112073?
CVE-2026-112073 is a medium-severity memory corruption vulnerability in Tencent ncnn, published on 19 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Which versions are affected by CVE-2026-112073?
How do I fix CVE-2026-112073?
No fix has been published for CVE-2026-112073 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-112073 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-112073 exists.
Sources
Also known as GHSA-fx59-v8wm-992x.