Advanced Fuzzing League

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We want to make fuzzing better and better

Follow for updates on AFL++ & LibAFL

LibAFLhttps://github.com/AFLplusplus/LibAFL
AFL++https://github.com/AFLplusplus/AFLplusplus
webhttps://aflplus.plus
blueskyhttps://bsky.app/profile/aflplusplus.bsky.social
AFL++ v4.21 release! Fixed a regression (+5%), better seed selection (+1%), many minor fixes, LLVM 19 support https://github.com/AFLplusplus/AFLplusplus/releases/tag/v4.21c #afl #fuzz #fuzzing #fuzzer #fuzzing-tools
Release v4.21c ยท AFLplusplus/AFLplusplus

Version ++4.21c (release) afl-fuzz fixed a regression in afl-fuzz that resulted in a 5-10% performace loss do a switch from gettimeofday() to clock_gettime() which should be rather three times fa...

GitHub

Late last year we released #LibAFL 0.11.2
Highlights:

  • Unicode-preserving mutators, better mutations for text!
  • GSoC project: Nicer TUI
  • Scalability introspector
  • Improved libafl_frida
  • Extended libafl_qemu - added CmpLog and more!

Full changelog:
https://github.com/AFLplusplus/LibAFL/releases/tag/0.11.2

#fuzzing #libafl #AFLplusplus

Release 0.11.2 ยท AFLplusplus/LibAFL

Highlights Unicode-preserving mutators Reworked Tui (GSoC project by @ToSeven) Scalability introspector Larger libafl_frida rework, replaced capstone with yaxpeax in many places Extended libafl_qe...

GitHub
Look what we got! ๐ŸŽ‰ #fuzzer #fuzzing
With lots of community help, we're proud to release #LibAFL 0.10!
โžŸ AFL++'s Redqueen
โžŸ CASR integration for crash analysis
โžŸ Low-overhead timeout handling
โžŸ EcoFuzz
โžŸ Full AFL++ forkserver support
โžŸ WASM fuzzing example
and much more. Get your copy at https://github.com/AFLplusplus/LibAFL/releases/tag/0.10.0
Release 0.10.0 ยท AFLplusplus/LibAFL

Highlights AFL++'s Redqueen implementation New Scheduler method to run on evaluation EcoFuzz implementation Integration with CASR for deduplication Input loading from disk API moved to Corpus (thi...

GitHub

The deprecation of #libfuzzer is a great time to recompile your fuzzing testcases with AFL++'s afl-cc (supports the same testcases!)
and switch your future fuzzer developments to #LibAFL

https://llvm.org/docs/LibFuzzer.html#status

#fuzzing #fuzzingTips

libFuzzer โ€“ a library for coverage-guided fuzz testing. โ€” LLVM 19.0.0git documentation