Integer overflow in Tencent ncnn pixel conversion 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 44b02dabdcf97499281a4692ebd65bad73dcf8b6 contains an integer overflow in the function ncnn::yuv420sp2rgb in src/mat_pixel.cpp of the Conversion API (CWE-190). A remote attacker can trigger the flaw. A public exploit has been released. The project was informed of the problem through an issue report but has not responded.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
A security flaw has been discovered in Tencent ncnn up to 44b02dabdcf97499281a4692ebd65bad73dcf8b6. Affected by this issue is the function ncnn::yuv420sp2rgb of the file src/mat_pixel.cpp of the component Conversion API. The manipulation results in integer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. 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-2026-112074
- 2026-10-19 Alias added: GHSA-8m72-m8r9-85xc
- 2026-10-19 CISA SSVC decision points changed
- 2026-10-19 Priority changed: LOW → MEDIUM
- 2026-10-21 Affected versions changed · Red Hat
- 2026-10-21 CVSS score added · Red Hat
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-2026-112074 · CVE Program
- CVE-2026-112074 · NVD
- FIRST EPSS
- GHSA-8m72-m8r9-85xc · GitHub Advisory Database · CC BY 4.0
- CVE-2026-112074 · 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