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
warmnote #musl-heap #null-byte-overflow #meta-corruption #stack-pivot	RCTF 2021	–	files wu 2
musl #musl-heap #meta-corruption #orw #seccomp	RCTF 2021	–	files wu 2
masterc #master-canary-bypass #stack-canary	3kCTF 2021	24.14	files wu 2
Ghost #logic-flaw	TSG 2023	–	files wu 2
TicTacToe #logic-flaw	TAMUctf 2021	–	files wu 2
house_of_fishing #largebin-attack #heap	TRX 2026	–	files wu 2
lkgit #kernel-race-condition #userfaultfd	TSG 2021	–	files wu 2
Baby_Kernel #kernel-exploitation #use-after-free (uaf)#jop	UIUCTF 2025	–	files wu 2
success #info-leak #stack-overflow #fsop	Securinets 2021 Quals	41.71	files wu 2
EzOrange #house-of-orange #heap-exploitation #oob-write	vsCTF 2022	23.32	files wu 2
cshell2 #heap-exploitation	corCTF 2022	24.92	files wu 2
Quotebook #heap #use-after-free (uaf)#function-pointer-overwrite	DaVinciCTF 2021	24.50	files wu 2
word_games #heap #tcache-perthread-corruption #unsorted-bin-leak #libc-2.33	CSAW 2021 Quals	20.54	files wu 2
Win_but_twisted #function-pointer-overwrite	HeroCTF 2021	35.17	files wu 2
babyfile #fsop #file-structure #io-obstack-jumps	SECCON 2022 Quals	97.90	files wu 2
American_Literature #format-string #stack-leak	BCACTF 2021	–	files wu 2
curve #format-string #stack-buffer-overflow #free-hook	PBjar 2021	23.18	files wu 2
babypwn #format-string #ret2libc	corCTF 2022	24.92	files wu 2
coffee #format-string #got-overwrite #stack-pivot	TSG 2021	–	files wu 2
Floor_Mat_Store #format-string	1337UP 2023	24.23	files wu 2
Strings #format-string	n00bzCTF 2023	15.12	files wu 2
Reading_List #format-string	NahamCon 2022	24.61	files wu 2
arm #format-string	justCTF 2022	35.66	files wu 2
inkaphobia #format-string	ImaginaryCTF 2021	–	files wu 2
mailman #fastbin-dup	ImaginaryCTF 2023	34.52	files wu 2
evmvm #evm-bytecode-crafting	LA 2023	–	files wu 2
CBC-Jail #cbc-iv-bit-flip	niteCTF 2021	–	files wu 2
Seccomp_Hell #call-gate	HITCON 2024 Quals	100.00	files wu 2
one_byte #call-gate	hxp 2022	–	files wu 2
ccanary #buffer-overflow #variable-overwrite	ALLES 2021	–	files wu 2
strong-arm #buffer-overflow #aarch64 #rop #ret2libc	WPICTF 2021	–	files wu 2
basic_overflow #bof #ret2win	UofTCTF 2024	23.90	files wu 2
Jump_Not_Easy #bof #ret2win	UMDCTF 2021	–	files wu 2
blindsight #blind-rop #brop #stack-buffer-overflow	Defcamp 2022	–	files wu 2
audited #audit-hook-bypass	hxp 2020	94.00	files wu 2
stopwatch #alloca #stack-manipulation #canary-leak #ret2libc	zer0pts 2021	24.56	files wu 2
A_Finer_Token_Never_Was	PointerOverflow 2024	–	files wu 2
FL_Support_Center	TSG 2024	–	files wu 2
Heroes_and_Zeros	PointerOverflow 2024	–	files wu 2
Introspection	IRON 2024	–	files wu 2