Pwn CTF challenges

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

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Challenges

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Challenge	CTF	Weight	Has
runway1 #stack-overflow #ret2win	BuckeyeCTF 2024	50.91	files wu 1
runway2 #stack-overflow #ret2win	BuckeyeCTF 2024	50.91	files wu 1
mod_pwn #stack-overflow #apache-module	BSidesTLV 2022	23.94	files wu 1
Piet #stack-depth-alias-primitive	L3akCTF 2026	34.47	files wu 1
guessinggame #stack-buffer-overflow #variable-overwrite #gets	PatriotCTF 2023	24.52	files src wu 1
Rigged_Slot_Machine_2 #stack-buffer-overflow #stack-variable-overwrite	1337UP 2024	–	files wu 1
Classy #stack-buffer-overflow #scanf-overflow #privilege-variable-overwrite #c++	CyberSecurityRumble 2023 Quals	24.80	files wu 1
heapnot #stack-buffer-overflow #rop #mprotect #reverse-shell-shellcode	PBjar 2021	23.18	files wu 1
Retro2Win #stack-buffer-overflow #ret2win	1337UP 2024	–	files wu 1
Easy_Peasy #stack-buffer-overflow #ret2win	DeconstruCT.F 2023	11.23	files wu 1
getstat #stack-buffer-overflow #negative-size #float-encoded-address #ret2win	CyberSecurityRumble 2021	41.60	files wu 1
bistro #stack-buffer-overflow #gets #rop	Defcamp 2023 Quals	–	files wu 1
bistro_v2 #stack-buffer-overflow #gets #rop	Defcamp 2023 Quals	–	files wu 1
baby_bof #stack-buffer-overflow #gets #ret2win	Defcamp 2023 Quals	–	files wu 1
UNLOCK_DOOR #stack-buffer-overflow #gets #leak #ret2shellcode	DeconstruCT.F 2021	19.69	files wu 1
Honors_ABCs #stack-buffer-overflow #gets	BCACTF 2021	–	files wu 1
AsianParents #stack-buffer-overflow #fork-ipc #canary	Balsn 2022	53.42	files wu 1
Beginner_Pwn_1 #stack-buffer-overflow	SwampCTF 2025	40.40	files wu 1
warmup1 #stack-buffer-overflow	MapleCTF 2022	24.05	files wu 1
SECRET #stack-buffer-overflow	TFC 2021	–	files wu 1
tic_tac_toe #stack-buffer-overflow	MetaCTF 2021	–	files wu 1
Rope_Dancer #srop	HeroCTF 2023	–	files wu 1
void #srop	TAMUctf 2022	–	files wu 1
Little_Boi #srop	MetaCTF 2021	–	files wu 1
Stress_Rope #srop	Tamil 2021	14.13	files wu 1
seed-sPRiNG #srand-time-seed #prng-prediction	picoCTF 2019	–	files wu 1
Another_Login #srand-seed-prediction	m0leCon 2021 Quals	24.55	files wu 1
notabug #sqlite-load-extension	justCTF 2023	53.00	files wu 1
notabug2 #sqlite-libc-load	justCTF 2023	53.00	files wu 1
corchat_v3 #sql-injection #use-after-free (uaf)#tcache-perthread-struct	corCTF 2024	55.00	files wu 1
SQLite_of_Hand #sql-injection	TSG 2024	–	files wu 1
solidarity #solana-account-confusion #missing-signer-check	corCTF 2022	24.92	files wu 1
smm-diary #smm-exploit #smram-overwrite	corCTF 2023	36.97	files wu 1
Ez_Pwn #signed-integer-overflow	LYKNCTF 2026	–	files wu 1
Shellcode_Golf #shellcode #shellcode-golf	TAMUctf 2021	–	files wu 1
Elftek_Secure_Execution_Engine #shellcode #orw #sandbox	X-MAS 2021	–	files wu 1
Soulcode #shellcode #opcode-filter #seccomp-bypass	DanteCTF 2023	24.44	files wu 1
contrived-shellcode #shellcode #mmap	TAMUctf 2023	–	files wu 1
NX_Oopsie #shellcode #executable-stack	TAMUctf 2021	–	files wu 1
Mind_Blown #shellcode	HackPack 2021	24.31	files wu 1