Medium · CVSS 5.3CVE-2026-112074

Tencent ncnn Conversion API mat_pixel.cpp yuv420sp2rgb integer overflowCVE-2026-112074

Answer in brief

CVE-2026-112074 records a Medium severity (CVSS 5.3) vulnerability in Tencent ncnn Conversion API mat_pixel.cpp yuv420sp2rgb integer overflow. The current sources do not mark it as known exploited. The current feed maps Tencent/ncnn (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 19, 2026Updated Oct 19, 2026Source checked Oct 19, 2026First seen by HOL Oct 19, 2026Material review Oct 19, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 5.3
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Tencent/ncnn (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Tencent/ncnngeneric	44b02dabdcf97499281a4692ebd65bad73dcf8b6	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Tencent/ncnn.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Oct 19, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Oct 19, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Oct 19, 2026

Sources and claim methodology

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Tencent ncnn MatMul matmul.cpp matmul_transb out-of-boundsSame tencent/ncnn package