Flawfinder

Flawfinder is a program that examines C source code and reports possible security weaknesses (``flaws'') sorted by risk level. It's very useful for quickly finding and removing some security problems before a program is widely released.

Features

Easy to use
Easy to install
Reports on a number of different types of vulnerabilities
CWE compatible
Earned CII Best Practices badge
No cost
Open source software with OSI-approved license
Works even if you can't build the software

Project Samples

Project Activity

See All Activity >

License

GNU General Public License version 2.0 (GPLv2)

Follow Flawfinder

Flawfinder Web Site

Other Useful Business Software

Ship Agents Faster

Transform your applications and workflows into powerful agentic systems at global scale.

Gemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.

Start Free

Rate This Project

User Ratings

5.0 out of 5 stars

★★★★★

★★★★

★★★

★★

★

ease 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 5 / 5

features 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5

design 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 5 / 5

support 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 5 / 5

User Reviews

Filter Reviews:

All

squinky86 Posted 2017-09-07

Flawfinder gives you a quick first-look at where issues in C/C++ code may be lurking. Its ease of use, friendly development team, and range of detected software weaknesses make it the best value for a quick static analysis scan.

Additional Project Details

Languages

English

Intended Audience

Developers

User Interface

Command-line

Programming Language

C, Python

Related Categories

Python QA Automation Software, C QA Automation Software

Registered

2007-01-15

Similar Business Software

Parasoft

"Parasoft delivers an AI‑powered software testing platform that helps organizations continuously release high‑quality software. Our solutions support embedded and enterprise teams by integrating code analysis, testing, virtualization, and coverage into the delivery pipeline to improve security,...

See Software
Aikido Security

Secure your code, cloud, and runtime in one central system. Aikido’s all-in-one security platform is loved by developers and security teams alike with full security visibility, insight in what matters most, and fast/automatic vulnerability fixes. Teams get security done with Aikido thanks...

See Software
Flagsmith

Flagsmith is a fully supported open-source feature flag, remote config, and A/B testing service. Use our hosted API, deploy to your own private cloud, or run on-premise. Create and manage feature flags across web, mobile, and server-side applications. Wrap a section of code with a flag, and...

See Software
Intellimas

Intellimas is a highly configurable, low code solution with spreadsheet features. It allows you to build enterprise level, web apps that end users love. Intellimas is built for fast data entry, analytics, exception management, and easy retrieval of live data from other systems. The multi-level...

See Software
Apify

Apify is a full-stack web scraping and automation platform helping anyone get value from the web. At its core is Apify Store, a marketplace with over 10,000 Actors where developers build, publish, and monetize automation tools. Actors are serverless cloud programs that extract data, automate...

See Software
Grafana Cloud

Grafana Labs delivers the leading AI-powered observability platform, built around Grafana—the world’s most widely adopted open source technology for dashboards and visualization. Recognized as a Leader in the 2026 Gartner® Magic Quadrant™ for Observability Platforms (3x) and furthest in...

See Software