AFL++ is a state-of-the-art fuzzer, and #1 in benchmarks. It was originally based on AFL. Today it comes with qemu 5.1, collision-free coverage, enhanced laf-intel & redqueen, AFLfast++ power schedules, MOpt mutators, unicorn_mode, and a lot more!
testing security instrumentation qemu fuzzing fuzz-testing afl afl-fuzz fuzzer unicorn-emulator afl-fuzzer afl-gcc fuzzer-afl afl-compiler unicorn-mode
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Updated
Sep 21, 2026 - C