Pwn CTF challenges

3,922 Pwn CTF challenges from 381 CTFs (2011–2026), 669 with writeups.

Top pwn techniques

Challenges

Filter and sort these in the challenge browser →

Challenge	CTF	Weight	Has
DeadlyFastGraph #jit-type-confusion	InCTF 2021	70.41	files wu 1
kowaiiVm #jit-toctou #rop	bi0sCTF 2024	79.83	files wu 1
BrainJIT #jit-spray #shellcode #brainfuck	zer0pts 2023	52.62	files wu 1
Muktir_Shongket #jit-bytecode-verifier-executor-mismatch #jmp-into-literal #shellcode	BDSec 2026	15.62	files wu 1
Ancient_House #jemalloc-corruption	InCTF 2021	70.41	files wu 1
SmallStringStorage #java-hashmap-race	m0leCon 2023 Quals	53.62	files wu 1
wisdom2 #iopl	hxp 2020	94.00	files wu 1
Over_The_Edge #integer-underflow #uint64-wraparound	1337UP 2023	24.23	files wu 1
memsafed #integer-underflow #arbitrary-write #stack-pivot #pie-leak	zer0pts 2022	35.97	files wu 1
blackout #integer-truncation #heap-overflow	SECCON 2023 Quals	100.00	files wu 1
catch_the_frog #integer-overflow #heap-overflow	RCTF 2021	–	files wu 1
MightyDragon #integer-overflow #counting-sort-buffer-overflow #shellcode	0CTF 2018 Quals	–	files wu 1
accountant #integer-overflow #alloca #stack-overflow #oob-write	zer0pts 2022	35.97	files wu 1
MathTest #integer-overflow	JerseyCTF 2024	21.26	files wu 1
doubler #integer-overflow	HSCTF 2023	–	files wu 1
favorite-color #integer-overflow	TJCTF 2022	–	files wu 1
hxp_silicon_foundaries_hack3 #iago-attack	hxp 2024	–	files wu 1
HeapStormII #house-of-storm #unsorted-bin-attack #large-bin-attack #heap	0CTF 2018 Quals	–	files wu 1
stacknotes #house-of-spirit	idekCTF 2021	24.56	files wu 1
Helpless #house-of-rust #tcache-poisoning	corCTF 2021	24.92	files wu 1
Rusty #house-of-rust #null-byte-poisoning	corCTF 2021	24.92	files wu 1
hookless #house-of-botcake	MetaCTF 2021	–	files wu 1
byor #house-of-apple	Hack.lu 2022	93.70	files wu 1
cratecrack #heap-uaf #ecdsa-nonce-bias	bi0sCTF 2025	95.79	files wu 1
Learning_OOP #heap-overflow #vtable #safe-linking-bypass	SekaiCTF 2025	55.00	files wu 1
heap01 #heap-overflow #tcache-corruption	SunshineCTF 2024	38.57	files wu 1
Shop_Manager #heap-overflow #tcache	COMPFEST 2021	–	files wu 1
notebook #heap-overflow #pointer-chunk-overwrite #arbitrary-read-write #libc-2.35	CYBERGON 2023	–	files wu 1
TheShowMustGoOn #heap-overflow #function-pointer-overwrite #ret2win	UMDCTF 2022	–	files wu 1
death_note #heap-overflow #fd-overwrite #libc-leak	Securinets 2021 Quals	41.71	files wu 1
Donut_Factory #heap-fake-chunk	m0leCon 2021 Quals	24.55	files wu 1
memory #heap-exploitation #seccomp #orw	Securinets 2022 Quals	50.11	files wu 1
kvstore #heap-exploitation #oob-read #memcmp-leak	zer0pts 2022	35.97	files wu 1
popcorn #heap #use-after-free (uaf)#function-pointer-overwrite #ret2win	DeadSec 2023	23.96	files wu 1
Warmup #heap #tcache #libc-2.27	darkCON 2021	24.06	files wu 1
SiceSiceBaby #heap #off-by-one-null #tcache #glibc	DiceCTF 2021	24.82	files wu 1
baby_talk #heap #off-by-null #house-of-einherjar #tcache-poisoning #free-hook	DiceCTF 2024 Quals	54.40	files wu 1
Just_another_heap #heap #null-pointer-write #write-what-where #got-overwrite	DCTF 2021	–	files wu 1
softshell #heap #linked-list #argument-count-mismatch #arbitrary-write	PatriotCTF 2023	24.52	files src wu 1
Nim #got-overwrite	Dragon 2021	99.33	files wu 1