$ ctf42

Pwn CTF challenges

3,926 Pwn CTF challenges from 382 CTFs (2011–2026), 1,025 with writeups.

Top pwn techniques

#stack-buffer-overflow 95 #format-string 88 #rop 76 #use-after-free 56 #ret2win 55 #shellcode 48 #ret2libc 37 #heap 35 #heap-overflow 34 #tcache-poisoning 29 #got-overwrite 29 #stack-pivot 25 #buffer-overflow 23 #heap-exploitation 21 #seccomp 19

Challenges

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Challenge CTF Weight Has
Cant_Give_In_securer BSidesSF 2024 – files
Catch_The_White_Rabbit TexSAW 2024 – files
Chain_it Cygenix 2024 – files
ChatGGT_1 HKCERT 2024 Quals – files
ChatGGT_2 HKCERT 2024 Quals – files
Chaterine niteCTF 2024 – files
Cheat_Engine EnigmaXplore 2024 – files
ChitChat BlueWater 2024 82.00 files
Chroot_Escape BreakTheSyntax 2024 – files
Classic Cygenix 2024 – files
Coal_Mine_Canary OSCTF 2024 – files
Collatz_eral_Damage TexSAW 2024 – files
Command_Recorder IERAE 2024 – files
Context_Reducer SekaiCTF 2024 36.96 files
Copy_and_Paste IERAE 2024 – files
Corrupted_GI RealWorld 2024 – files
Cosmic_Ray THCon 2024 – files
Crack H7CTF 2024 22.56 files
Cryptology TheCyberJawaraInternational 2024 23.62 files
CuttinString GCC 2024 – files
D3BabyEscape D3CTF 2024 23.50 files
DEADFOOD Nexus 2024 – files
DOF NoHackNoCTF 2024 – files
Date_v2 GPN 2024 – files
Davids_Last_Shared_Memory PwnSec 2024 – files
DayDream XCTF-DubheCTF 2024 – files
Decode_it Ugra 2024 Quals 25.00 files
DeepString WolvCTF 2024 35.25 files
Def1nit3lysAfetoDol1st5iNc31hAveF0rb1dUnsafec0de SanDiego 2024 24.67 files
Diamonds_and_Rust FortID 2024 – files
DirtyFetch PatriotCTF 2024 31.83 files
Dive_into_Pool ASIS 2024 Quals 66.25 files
Domain_Expansion vsCTF 2024 34.00 files
Dragons_Shield BackdoorCTF 2024 – files
ESPecially_secure_boot DownUnderCTF 2024 68.04 files
E_Corp UTCTF 2024 – files
Encrypted_runner GoogleCTF 2024 – files
Encryption_and_Decryption_Service CyberSpace 2024 24.83 files
Enough_with_the_averages FortID 2024 – files
Entry_is_not_for_everyone Cybercoliseum 2024 20.95 files