PicoCTF

picoCTF 2024 > high frequency troubles

Vulnerability: house of orange + heap buffer overflow - improper length check in gets().

heap-exploitation heap-buffer-overflow house-of-orange tcache-poisoning setcontext32 thread-local-storage house-of-tangerine great-chall
February 14, 2026 • October 8, 2025 • Hard

picoCTF 2025 > Handoff

Vulnerability: stack buffer overflow.

return-address-overwrite shellcode rop
February 8, 2026 • September 9, 2025 • Hard

picoCTF 2023 > Horsetrack

Vulnerability: use after free - dangling pointer.

tcache-poisoning heap-exploitation got-overwrite use-after-free
January 13, 2026 • October 9, 2025 • Hard

picoCTF 2024 > babygame03

return-address-overwrite stack-buffer-overflow
January 13, 2026 • September 11, 2025 • Hard • 🧩 Puzzly

picoCTF 2025 > Echo Valley

format-string-bug return-address-overwrite
January 13, 2026 • September 9, 2025 • Medium
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