$ ctf42

#signed-integer-overflow CTF challenges

2 CTF challenges using signed-integer-overflow from 2 CTFs (2023–2026), 2 with writeups. Mostly Blockchain (50%) and Pwn (50%).

Blockchain · 1 Pwn · 1

Often combined with

#integer-overflow 1

Challenges

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Challenge CTF Weight Category Has
positive
#integer-overflow#signed-integer-overflow
 CrewCTF 2023 20.33 Blockchain files wu 3
Ez_Pwn
#signed-integer-overflow
 LYKNCTF 2026 – Pwn files wu 1