afl++ ☆
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Description:
American Fuzzy Lop++
Type: Formula  |  Latest Version: 4.35c@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  formulae.brew.sh
Category: Security
Tags: security fuzzing testing vulnerability binary-analysis
Install: brew install afl++
About:
AFL++ is an advanced, community-maintained fork of the American Fuzzy Lop fuzzer. It incorporates numerous enhancements for better performance, more efficient instrumentation, and broader target support. The tool is designed to find unknown vulnerabilities in software binaries through automated, code-coverage-guided fuzzing.
Key Features:
  • Enhanced code coverage and instrumentation
  • Support for persistent and deferred forkserver modes
  • Multiple mutation strategies and custom mutators
  • Compatibility with AFL, libFuzzer, and honggfuzz toolchains
Use Cases:
  • Fuzzing C/C++ binaries to discover security vulnerabilities
  • Regression testing for complex software
  • Hardening proprietary or open-source software
Alternatives:
  • libFuzzer – In-process fuzzer often used with LLVM Sanitizers, generally easier to set up for library-level testing.
  • honggfuzz – Coverage-guided fuzzer focused on stability and multi-threaded fuzzing, often used for kernel fuzzing.
Version History
Detected Version Rev Change Commit
Feb 13, 2026 10:01am 4.35c 0 VERSION_BUMP 25d7a4f3
Oct 10, 2025 7:39pm 4.34c 1 VERSION_BUMP 0e79e30c
Oct 1, 2025 7:48am 4.34c 0 VERSION_BUMP 87b44445
Oct 4, 2024 5:53pm 1 VERSION_BUMP ffbc0ca8
Oct 4, 2024 12:08am 1 VERSION_BUMP 719637df
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