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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction Required

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction Required

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Tencent
  • Ncnn

No data.

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References
Link Providers
https://github.com/Tencent/ncnn/ cve-icon cve-icon
https://github.com/Tencent/ncnn/issues/7035 cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-112074 cve-icon cve-icon
https://vuldb.com/submit/1009498 cve-icon cve-icon
https://vuldb.com/vuln/421753 cve-icon cve-icon
https://vuldb.com/vuln/421753/cti cve-icon cve-icon
History

Mon, 19 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 19 Oct 2026 03:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Tencent ncnn Conversion API mat_pixel.cpp yuv420sp2rgb integer overflow
First Time appeared Tencent
Tencent ncnn
Weaknesses CWE-189
CWE-190
CPEs cpe:2.3:a:tencent:ncnn:*:*:*:*:*:*:*:*
Vendors & Products Tencent
Tencent ncnn
References
Metrics cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-10-19T03:30:21.932Z

Updated: 2026-10-19T16:37:33.056Z

Reserved: 2026-10-18T13:41:47.775Z

Link: CVE-2026-112074

cve-icon Vulnrichment

Updated: 2026-10-19T16:37:18.307Z

cve-icon NVD

Status : Deferred

Published: 2026-10-19T04:17:08.910

Modified: 2026-10-19T17:17:10.470

Link: CVE-2026-112074

cve-icon Redhat

No data.