LibAFL 0.15.4 has just been released 🎉
Of the 30 Contributers for this release, almost half are new faces <3
github.com/AFLplusplus/...
#Fuzzing #LibAFL #AFLplusplus
Of the 30 Contributers for this release, almost half are new faces <3
github.com/AFLplusplus/...
#Fuzzing #LibAFL #AFLplusplus
Release 0.15.4 · AFLplusplus/LibAFL
Highlights
DumpTargetBytesToDiskStage can to dump complex inputs to disk as bytes
CmpLog implementation is now consistent with AFL++ to share targets back and forth
Updated and fixed ForkserverByt...
github.com
November 12, 2025 at 3:31 PM
LibAFL 0.15.4 has just been released 🎉
Of the 30 Contributers for this release, almost half are new faces <3
github.com/AFLplusplus/...
#Fuzzing #LibAFL #AFLplusplus
Of the 30 Contributers for this release, almost half are new faces <3
github.com/AFLplusplus/...
#Fuzzing #LibAFL #AFLplusplus
🚨 LibAFL 0.15.2 🚨
- Rust 2024 edition
- LibAFL_Unicorn
- Use LibAFL rand types for other crates
- Allow logging to StatsD
- LibAFL_QEMU updates like binary-only ASan in Rust 🦀🦀🦀, inputs via StdIn, better snapshots
And so much more:
github.com/AFLplusplus/...
#LibAFL #Fuzzing #AFLplusplus
- Rust 2024 edition
- LibAFL_Unicorn
- Use LibAFL rand types for other crates
- Allow logging to StatsD
- LibAFL_QEMU updates like binary-only ASan in Rust 🦀🦀🦀, inputs via StdIn, better snapshots
And so much more:
github.com/AFLplusplus/...
#LibAFL #Fuzzing #AFLplusplus
Release 0.15.2 · AFLplusplus/LibAFL
What's Changed
Add statistics. Move client stats from Monitor to EventManager by @Evian-Zhang in #2940
Update MIGRATION by @Evian-Zhang in #2947
Move to just by @tokatoka in #2924
Small improveme...
github.com
March 31, 2025 at 4:08 PM
🚨 LibAFL 0.15.2 🚨
- Rust 2024 edition
- LibAFL_Unicorn
- Use LibAFL rand types for other crates
- Allow logging to StatsD
- LibAFL_QEMU updates like binary-only ASan in Rust 🦀🦀🦀, inputs via StdIn, better snapshots
And so much more:
github.com/AFLplusplus/...
#LibAFL #Fuzzing #AFLplusplus
- Rust 2024 edition
- LibAFL_Unicorn
- Use LibAFL rand types for other crates
- Allow logging to StatsD
- LibAFL_QEMU updates like binary-only ASan in Rust 🦀🦀🦀, inputs via StdIn, better snapshots
And so much more:
github.com/AFLplusplus/...
#LibAFL #Fuzzing #AFLplusplus
github.com/0xricksanche... just got more rusty, stable, (hopefully) easier to maintain and contribute to. Also, we have a bunch of new features like deterministic generation and fuzzing modes :)!
GitHub - 0xricksanchez/AFL_Runner: Scaling best-practice AFLPlusPlus fuzzing campaigns made easy
Scaling best-practice AFLPlusPlus fuzzing campaigns made easy - 0xricksanchez/AFL_Runner
github.com
November 21, 2024 at 10:48 AM
github.com/0xricksanche... just got more rusty, stable, (hopefully) easier to maintain and contribute to. Also, we have a bunch of new features like deterministic generation and fuzzing modes :)!
Thanks to Viet Hoang Luu's effort AFL++ just got IJON support: github.com/AFLplusplus/...
IJON Full Implementation by vi3tL0u1s · Pull Request #2540 · AFLplusplus/AFLplusplus
IJON Full Implementation
This is a complete implementation of all IJON features for source code instrumentation in AFL++.
Base commit: 6b6cc9c1
Note to maintainers:
This PR is based on a commit, th...
github.com
September 21, 2025 at 9:30 AM
Thanks to Viet Hoang Luu's effort AFL++ just got IJON support: github.com/AFLplusplus/...
We've released #LibAFL 0.14 with an afl-fuzz rewrite in LibAFL, better QEMU, FRIDA scripting, intel_pt tracing support and more!
Check it out:
github.com/AFLplusplus/...
Check it out:
github.com/AFLplusplus/...
Release 0.14.0 · AFLplusplus/LibAFL
Highlights
libafl-fuzz (afl-fuzz clone in LibAFL) almost fully-featured (GSoC of @R9295)
libafl-pt New crate to use IntelPt for coverage tracing (GSoC of @Marcondiro)
LibAFL_FRIDA: Added scripting...
github.com
November 14, 2024 at 5:11 PM
We've released #LibAFL 0.14 with an afl-fuzz rewrite in LibAFL, better QEMU, FRIDA scripting, intel_pt tracing support and more!
Check it out:
github.com/AFLplusplus/...
Check it out:
github.com/AFLplusplus/...
This is so cool: The LibAFL_QEMU ASan implementation was ported to rust
github.com/AFLplusplus/...
#LibAFL #QEMU #ASan #Rust
github.com/AFLplusplus/...
#LibAFL #QEMU #ASan #Rust
Librasan by WorksButNotTested · Pull Request #3023 · AFLplusplus/LibAFL
Implementation of ASAN target side components in rust.
The implementation sits alongside the existing libqasan (although that could be withdrawn in future if we are happy with it). It is selected ...
github.com
March 10, 2025 at 4:29 PM
This is so cool: The LibAFL_QEMU ASan implementation was ported to rust
github.com/AFLplusplus/...
#LibAFL #QEMU #ASan #Rust
github.com/AFLplusplus/...
#LibAFL #QEMU #ASan #Rust
I hear some people are delighted about our special 🍍🍕 mode today in #AFLPlusPlus and #LibAFL
This makes #fuzzing so much more tasty
github.com/AFLplusplus/...
github.com/AFLplusplus/...
This makes #fuzzing so much more tasty
github.com/AFLplusplus/...
github.com/AFLplusplus/...
Add missing mode to LibAFL by domenukk · Pull Request #3708 · AFLplusplus/LibAFL
Description
This adds support of a missing mode available in AFL++, see AFLplusplus/AFLplusplus#1374 for details.
github.com
April 1, 2026 at 11:15 AM
I hear some people are delighted about our special 🍍🍕 mode today in #AFLPlusPlus and #LibAFL
This makes #fuzzing so much more tasty
github.com/AFLplusplus/...
github.com/AFLplusplus/...
This makes #fuzzing so much more tasty
github.com/AFLplusplus/...
github.com/AFLplusplus/...
Just released AFL++ v4.31c:
SAND mode, LLVM 20 support, Python 3.13 support, bug fixes, better performance, ...
github.com/AFLplusplus/...
SAND mode, LLVM 20 support, Python 3.13 support, bug fixes, better performance, ...
github.com/AFLplusplus/...
Release v4.31c · AFLplusplus/AFLplusplus
Version ++4.31c (release)
SAND mode added (docs/SAND.md) for more effecient fuzzing with sanitizers
(thanks to @wtdcode !)
afl-fuzz:
splicing phase is now DISABLED by default because research sho...
github.com
February 10, 2025 at 2:07 PM
Just released AFL++ v4.31c:
SAND mode, LLVM 20 support, Python 3.13 support, bug fixes, better performance, ...
github.com/AFLplusplus/...
SAND mode, LLVM 20 support, Python 3.13 support, bug fixes, better performance, ...
github.com/AFLplusplus/...
You can now replace libfuzzer with #LibAFL on Windows, thanks to @novafacing.bsky.social
github.com/AFLplusplus/...
github.com/AFLplusplus/...
Windows Support for LibAFL-LibFuzzer by novafacing · Pull Request #3130 · AFLplusplus/LibAFL
Description
Support for Windows with LibAFL-LibFuzzer. This is a draft with a couple issues still persisting.
No maps available when running fuzzer
Checklist
I have run ./scripts/precommit.sh ...
github.com
May 20, 2025 at 11:37 PM
You can now replace libfuzzer with #LibAFL on Windows, thanks to @novafacing.bsky.social
github.com/AFLplusplus/...
github.com/AFLplusplus/...
Guess who just released #LibAFL 0.15.3?
That's right, you all did! (thank you☺️)
Highlights:
- better forkserver
- scriptable Lua mutations
- SIMD performance in stable rust
- CmpLog and RISC-V for LibAFL_Unicorn
- TMin for LibAFL_QEMU
- Updated Sugar for easy fuzzing
github.com/AFLplusplus/...
That's right, you all did! (thank you☺️)
Highlights:
- better forkserver
- scriptable Lua mutations
- SIMD performance in stable rust
- CmpLog and RISC-V for LibAFL_Unicorn
- TMin for LibAFL_QEMU
- Updated Sugar for easy fuzzing
github.com/AFLplusplus/...
Release 0.15.3 · AFLplusplus/LibAFL
Highlights
New AFL++ Forkserver support in libafl_targets, new forkserver features
Introduced LuaMutator, scriptable mutators
SIMD performance enhancements for MapFeedback in stable rust (was nigh...
github.com
May 30, 2025 at 12:07 PM
Guess who just released #LibAFL 0.15.3?
That's right, you all did! (thank you☺️)
Highlights:
- better forkserver
- scriptable Lua mutations
- SIMD performance in stable rust
- CmpLog and RISC-V for LibAFL_Unicorn
- TMin for LibAFL_QEMU
- Updated Sugar for easy fuzzing
github.com/AFLplusplus/...
That's right, you all did! (thank you☺️)
Highlights:
- better forkserver
- scriptable Lua mutations
- SIMD performance in stable rust
- CmpLog and RISC-V for LibAFL_Unicorn
- TMin for LibAFL_QEMU
- Updated Sugar for easy fuzzing
github.com/AFLplusplus/...
We just released AFL++ v4.30c - deprecate afl-gcc/clang, fast resume support, lots of improvements. github.com/AFLplusplus/... #afl #fuzzer #fuzzing
Release v4.30c · AFLplusplus/AFLplusplus
Version ++4.30c (release)
! afl-gcc and afl-clang funcionality is now removed !
afl-fuzz:
fastresume feature added. if you abort fuzzing and resume fuzzing
with -i - or AFL_AUTORESUME=1 and the t...
github.com
December 3, 2024 at 3:46 PM
We just released AFL++ v4.30c - deprecate afl-gcc/clang, fast resume support, lots of improvements. github.com/AFLplusplus/... #afl #fuzzer #fuzzing
Oh look, new version of #LibAFL !!
With 0.16.0 we moved non-fuzzer parts into own crates.
Crates for pinning cores, rngs, collecing BSODs, and generally helpful rust stuff.
Have fun using them for other projects <3
A lot of actual #fuzzer improvements, too, read more at
github.com/AFLplusplus/...
With 0.16.0 we moved non-fuzzer parts into own crates.
Crates for pinning cores, rngs, collecing BSODs, and generally helpful rust stuff.
Have fun using them for other projects <3
A lot of actual #fuzzer improvements, too, read more at
github.com/AFLplusplus/...
Release 0.16.0 · AFLplusplus/LibAFL
Highlights
Split up underlying functionality into multiple reusable crates!
build_id2
core_affinity2
exceptional
fast_rands
ll_mp
minibsod
no_std_time
nonzero_macros
ownedref
serde_anymap
shmem_p...
github.com
August 11, 2026 at 2:19 AM
Oh look, new version of #LibAFL !!
With 0.16.0 we moved non-fuzzer parts into own crates.
Crates for pinning cores, rngs, collecing BSODs, and generally helpful rust stuff.
Have fun using them for other projects <3
A lot of actual #fuzzer improvements, too, read more at
github.com/AFLplusplus/...
With 0.16.0 we moved non-fuzzer parts into own crates.
Crates for pinning cores, rngs, collecing BSODs, and generally helpful rust stuff.
Have fun using them for other projects <3
A lot of actual #fuzzer improvements, too, read more at
github.com/AFLplusplus/...
Crashing calculators and CAD editors? GUIFuzz++ is finally here to help make them better! 🔥
Come see my undergraduate student @trowlett0.bsky.social's very first paper "GUIFuzz++" at @aseconf.bsky.social this Wednesday.
Also now integrated in @aflplusplus.bsky.social! 😃
github.com/AFLplusplus/...
Come see my undergraduate student @trowlett0.bsky.social's very first paper "GUIFuzz++" at @aseconf.bsky.social this Wednesday.
Also now integrated in @aflplusplus.bsky.social! 😃
github.com/AFLplusplus/...
November 17, 2025 at 9:02 PM
Crashing calculators and CAD editors? GUIFuzz++ is finally here to help make them better! 🔥
Come see my undergraduate student @trowlett0.bsky.social's very first paper "GUIFuzz++" at @aseconf.bsky.social this Wednesday.
Also now integrated in @aflplusplus.bsky.social! 😃
github.com/AFLplusplus/...
Come see my undergraduate student @trowlett0.bsky.social's very first paper "GUIFuzz++" at @aseconf.bsky.social this Wednesday.
Also now integrated in @aflplusplus.bsky.social! 😃
github.com/AFLplusplus/...
I’d recommend checking out github.com/AFLplusplus/... an actively improved rust-based fuzzer, the book is at aflplus.plus/libafl-book/
GitHub - AFLplusplus/LibAFL: Advanced Fuzzing Library - Slot your Fuzzer together in Rust! Scales across cores and machines. For Windows, Android, MacOS, Linux, no_std, ...
Advanced Fuzzing Library - Slot your Fuzzer together in Rust! Scales across cores and machines. For Windows, Android, MacOS, Linux, no_std, ... - AFLplusplus/LibAFL
github.com
January 25, 2026 at 5:00 PM
I’d recommend checking out github.com/AFLplusplus/... an actively improved rust-based fuzzer, the book is at aflplus.plus/libafl-book/
Not claiming it's well designed, but it has some fun rust things
github.com/aflplusplus/...
github.com/aflplusplus/...
GitHub - AFLplusplus/LibAFL: Advanced Fuzzing Library - Slot your Fuzzer together in Rust! Scales across cores and machines. For Windows, Android, MacOS, Linux, no_std, ...
Advanced Fuzzing Library - Slot your Fuzzer together in Rust! Scales across cores and machines. For Windows, Android, MacOS, Linux, no_std, ... - AFLplusplus/LibAFL
github.com
January 19, 2025 at 5:15 PM
Not claiming it's well designed, but it has some fun rust things
github.com/aflplusplus/...
github.com/aflplusplus/...
We've just released #LibAFL 0.15.0 - A big step toward 1.0 stable!
Featuring
- Mutators for Numeric Types
- Bloomfilter-based deduplication for to-be-executed inputs
- Nyx hypercall API support for LibAFL QEMU and new utilities for binary-only fuzzing
- ...
github.com/AFLplusplus/...
Featuring
- Mutators for Numeric Types
- Bloomfilter-based deduplication for to-be-executed inputs
- Nyx hypercall API support for LibAFL QEMU and new utilities for binary-only fuzzing
- ...
github.com/AFLplusplus/...
Release 0.15.0 · AFLplusplus/LibAFL
Highlights
Big steps towards 1.0 stable: cleaned up a generics, associated types and constraints
Mutators for Numeric Types
Bloomfilter-based deduplication for to-be-executed inputs
Bloomfilter-ba...
github.com
January 21, 2025 at 1:24 AM
We've just released #LibAFL 0.15.0 - A big step toward 1.0 stable!
Featuring
- Mutators for Numeric Types
- Bloomfilter-based deduplication for to-be-executed inputs
- Nyx hypercall API support for LibAFL QEMU and new utilities for binary-only fuzzing
- ...
github.com/AFLplusplus/...
Featuring
- Mutators for Numeric Types
- Bloomfilter-based deduplication for to-be-executed inputs
- Nyx hypercall API support for LibAFL QEMU and new utilities for binary-only fuzzing
- ...
github.com/AFLplusplus/...
Just C things
Fix incorrect allocation for `top_rated_candidates` by leonasdev · Pull Request #2424 · AFLplusplus/AFLplusplus
This PR fixes an incorrect memory allocation introduced in #2366, where afl->top_rated_candidates was allocated with sizeof(u32) instead of sizeof(u32 *). On 64-bit systems, this caused memory c...
github.com
May 14, 2025 at 8:34 AM
Just C things
AFLplusplus v5.03c — The fuzzer afl++ is afl with community patches, qemu 5.1 upgrade, collision-free coverage, enhanced laf-intel & redqueen, AFLfast++ power... https://kitploit.com/tools/github/aflplusplus/aflplusplus?utm_source=bluesky&utm_medium=social&utm_campaign=kitploit&utm_content=356638
September 7, 2026 at 7:48 PM
AFLplusplus v5.03c — The fuzzer afl++ is afl with community patches, qemu 5.1 upgrade, collision-free coverage, enhanced laf-intel & redqueen, AFLfast++ power... https://kitploit.com/tools/github/aflplusplus/aflplusplus?utm_source=bluesky&utm_medium=social&utm_campaign=kitploit&utm_content=356638
I just released my new protobuf fuzzing library for AFL++! I've wanted a solid solution that I can quickly plug into fuzzing projects for years now, and I finally decided to write one. You can check it out here: github.com/mzakocs/AFLp...
GitHub - mzakocs/AFLplusplus_ultimate_protobuf_mutator: The ultimate protobuf mutator for AFLplusplus
The ultimate protobuf mutator for AFLplusplus. Contribute to mzakocs/AFLplusplus_ultimate_protobuf_mutator development by creating an account on GitHub.
github.com
February 7, 2025 at 6:15 AM
I just released my new protobuf fuzzing library for AFL++! I've wanted a solid solution that I can quickly plug into fuzzing projects for years now, and I finally decided to write one. You can check it out here: github.com/mzakocs/AFLp...
In a new video, Nicolò @rationalpsyche.bsky.social walks through how to fuzz with AFL++, how to pick targets, avoid common pitfalls, and boost effectiveness. Find performance tips, fuzzing theory, and AFL++ internals.
Watch here: youtu.be/L5Tin7m5sbE?...
#security #fuzzing #AFLplusplus #appsec
Watch here: youtu.be/L5Tin7m5sbE?...
#security #fuzzing #AFLplusplus #appsec
Fuzzing and AFL++
YouTube video by Compass Security
youtu.be
December 16, 2025 at 8:39 AM
In a new video, Nicolò @rationalpsyche.bsky.social walks through how to fuzz with AFL++, how to pick targets, avoid common pitfalls, and boost effectiveness. Find performance tips, fuzzing theory, and AFL++ internals.
Watch here: youtu.be/L5Tin7m5sbE?...
#security #fuzzing #AFLplusplus #appsec
Watch here: youtu.be/L5Tin7m5sbE?...
#security #fuzzing #AFLplusplus #appsec