Challenges

Category Web Pwn Reverse Crypto Forensics Misc OSINT Stego Blockchain Hardware Mobile

Difficulty Beginner Easy Medium Hard Insane

CTFtime weight

–

Higher weight ≈ harder, more prestigious event.

Year

–

CTF

Country

Must have Source / Docker Writeup

Sort

Reset

Challenge	CTF	Weight	Category	Has
cratecrack #heap-uaf #ecdsa-nonce-bias	bi0sCTF 2025	95.79	Pwn	files wu 1
auir #heap-uaf #double-free #fastbin-attack #libc-leak #c++	CSAW 2017 Quals	24.61	Misc	files src wu 3