Tencent ncnn up to 44b02dabdcf97499281a4692ebd65bad73dcf8b6 MatMul src/layer/matmul.cpp matmul_transb out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k2.55+

Summaryinfo

A vulnerability, which was classified as critical, was found in Tencent ncnn up to 44b02dabdcf97499281a4692ebd65bad73dcf8b6. Affected by this issue is the function matmul_transb of the file src/layer/matmul.cpp of the component MatMul. The manipulation results in out-of-bounds. This vulnerability is reported as CVE-2026-112073. The attack can be launched remotely. Moreover, an exploit is present. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability, which was classified as critical, was found in Tencent ncnn up to 44b02dabdcf97499281a4692ebd65bad73dcf8b6. Affected is the function matmul_transb of the file src/layer/matmul.cpp of the component MatMul. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-112073. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/18/2026 Advisory disclosed
10/18/2026 +0 days VulDB entry created
10/18/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 7034
Status: Confirmed

CVE: CVE-2026-112073 (🔒)
GCVE (CVE): GCVE-0-2026-112073
GCVE (VulDB): GCVE-100-421752
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/18/2026 15:46
Changes: 10/18/2026 15:46 (58)
Complete: 🔍
Submitter: JerryGW
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #1009476: Tencent ncnn master 3b7bdba Out-of-Bounds Read (by JerryGW)

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