Out-of-bounds read in Tencent ncnn MatMul matmul_transb function
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
Tencent ncnn up to commit 44b02da is affected. Input handling in the matmul_transb function of src/layer/matmul.cpp leads to an out-of-bounds read (CWE-125). A remote attacker can trigger it without privileges, and a public exploit is available.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
The sources list no fixed version for Tencent ncnn.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Vendor assessments
Timeline
- 2026-10-19 Threatist record created from CVE-2026-112073
- 2026-10-19 Alias added: GHSA-fx59-v8wm-992x
- 2026-10-21 Affected versions changed · Red Hat
- 2026-10-21 CVSS score added · Red Hat
- 2026-10-22 CISA SSVC decision points changed
- 2026-10-22 Priority changed: LOW → MEDIUM
References
More Tencent vulnerabilities
- TI-2023-14243 vConsole v3.15.0 was discovered to contain a prototype pollution due to incorrect key and… CVSS 3.1CRITICAL 9.8
- TI-2026-23690 WeKnora: Remote Code Execution (RCE) via Command Injection in MCP Stdio Configuration Validation CVSS 3.1CRITICAL 10.0
- TI-2026-23689 WeKnora: Remote Code Execution via SQL Injection Bypass in AI Database Query Tool CVSS 3.1CRITICAL 10.0
- TI-2026-18215 WeKnora has Command Injection in MCP stdio test CVSS 3.1CRITICAL 10.0
- TI-2026-18214 WeKnora vulnerable to SQL Injection CVSS 3.1CRITICAL 9.8
- TI-2026-23684 WeKnora: Broken Access Control in Tenant Management CVSS 3.1HIGH 8.8
Sources
- CVE-2026-112073 · CVE Program
- CVE-2026-112073 · NVD
- FIRST EPSS
- GHSA-fx59-v8wm-992x · GitHub Advisory Database · CC BY 4.0
- CVE-2026-112073 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences