LibFuzzer vs. Mayhem Comparison


LibFuzzer LLVM Project	Mayhem ForAllSecure	+	+
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About LibFuzzer is an in-process, coverage-guided, evolutionary fuzzing engine. LibFuzzer is linked with the library under test, and feeds fuzzed inputs to the library via a specific fuzzing entry point (or target function); the fuzzer then tracks which areas of the code are reached, and generates mutations on the corpus of input data in order to maximize the code coverage. The code coverage information for libFuzzer is provided by LLVM’s SanitizerCoverage instrumentation. LibFuzzer is still fully supported in that important bugs will get fixed. The first step in using libFuzzer on a library is to implement a fuzz target, a function that accepts an array of bytes and does something interesting with these bytes using the API under test. Note that this fuzz target does not depend on libFuzzer in any way so it is possible and even desirable to use it with other fuzzing engines like AFL and/or Radamsa.	About Advanced fuzzing solution that combines guided fuzzing with symbolic execution, a patented technology from CMU. Mayhem is an advanced fuzz testing solution that dramatically reduces manual testing efforts with autonomous defect detection and validation. Deliver safe, secure, reliable software with less time, cost, and effort. Mayhem’s unique advantage is in its ability to acquire intelligence of its targets over time. As Mayhem’s knowledge grows, it deepens its analysis and maximizes its code coverage. All reported vulnerabilities are exploitable, confirmed risks. Mayhem guides remediation efforts with in-depth system level information, such as backtraces, memory logs, and register state, expediting issue diagnosis and fixes. Mayhem utilizes target feedback to custom generate test cases on the fly -- meaning no manual test case generation required. Mayhem offers access to all of its test cases to make regression testing effortless and continuous.
Platforms Supported Windows Supported Mac Not Supported Linux Supported Cloud Not Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported	Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience Users requiring a fuzzing engine to analyze their code and applications	Audience Enterprisesses, comercial or government organizations interested in DevSecOps security applications
Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported
API Offers API Supported	API Offers API Not Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing Free Free Version Supported Free Trial Not Supported	Pricing No information available. Free Version Not Supported Free Trial Not Supported
Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software

Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Supported Live Online Supported In Person Supported
Company Information LLVM Project Founded: 2003 llvm.org/docs/LibFuzzer.html	Company Information ForAllSecure Founded: 2012 United States www.forallsecure.com
Alternatives afl-unicorn Battelle	Alternatives Code Intelligence
Atheris Google	Mayhem Code Security Mayhem
Jazzer Code Intelligence	Martocci Mayhem
Honggfuzz Google	CourtCaseFinder.com Court Case Finder
american fuzzy lop Google View All	ClusterFuzz Google View All
Categories Fuzz Testing Supported	Categories Automated Testing Supported Code Coverage Supported Fuzz Testing Supported Regression Testing Supported
	Show More Features Automated Testing Features Hierarchical View Not Supported Move & Copy Not Supported Parameterized Testing Not Supported Requirements-Based Testing Not Supported Security Testing Supported Supports Parallel Execution Not Supported Test Script Reviews Not Supported Unicode Compliance Not Supported
Integrations Atheris Supported Bamboo Not Supported C Supported C++ Supported ClusterFuzz Supported Docker Not Supported Drone Not Supported Fuzzbuzz Supported Google Cloud Platform Not Supported Google ClusterFuzz Supported Jazzer Supported Jenkins Not Supported Okta Not Supported Slack Not Supported Travis CI Not Supported Show More Integrations View All 7 Integrations	Integrations Atheris Not Supported Bamboo Supported C Not Supported C++ Not Supported ClusterFuzz Not Supported Docker Supported Drone Supported Fuzzbuzz Not Supported Google Cloud Platform Supported Google ClusterFuzz Not Supported Jazzer Not Supported Jenkins Supported Okta Supported Slack Supported Travis CI Supported Show More Integrations View All 8 Integrations
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