OpenCV 4.5.0 — STQC CERT-C Remediation

CERT-C highest-safety remediation of OpenCV 4.5.0 across five modules.

Scope

Module	Files changed	Key rules
modules/core	13	STR31-C, EXP34-C, FIO47-C, ERR33-C
modules/imgproc	8	STR31-C, ARR38-C, EXP34-C
modules/calib3d	6	ARR38-C, EXP34-C, INT32-C
modules/features2d	2	INT32-C
modules/imgcodecs	7	STR31-C, STR11-C, EXP34-C

35 files · 131 insertions · 110 deletions

Highlights

• All sprintf and strcpy calls removed from production src/ in every module
• doubleToString/floatToString in core gained a buf_size parameter (STR31-C)
• hough.cpp empty-vector crash guard (ARR38-C)
• grfmt_gdal.cpp null-pointer fall-through fix (EXP34-C)
• sift.dispatch.cpp large-shift UB replaced with ldexpf (INT32-C)
• circlesgrid.cpp invalid at(-1) guard (ARR38-C)

Contents

stqc_task.md          — original task specification
patches/              — unified diffs per module
reports/              — cppcheck audit results + per-module summaries

Base

OpenCV 4.5.0 tag (d5fd2f0).