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

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-19 · updated 2026-10-22
Weakness: CWE-119

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.

Affected products

Tencent ncnn: 44b02dabdcf97499281a4692ebd65bad73dcf8b6

References

https://github.com/Tencent/ncnn/
https://github.com/Tencent/ncnn/issues/7034
https://vuldb.com/cve/CVE-2026-112073
https://vuldb.com/submit/1009476
https://vuldb.com/vuln/421752
https://vuldb.com/vuln/421752/cti

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