HomeReadTactics deskKivanc Gunalp discovers critical bug in Apple's fsck_hfs utility
Tactics·Jun 4, 2026

Kivanc Gunalp discovers critical bug in Apple's fsck_hfs utility

Tactic · Hacker News · stat: — Kivanc Gunalp, a developer, details the discovery of a critical bug within Apple's fsck_hfs utility. The vulnerability could lead to data corruption or system…

Tactic · Hacker News · stat: —

Kivanc Gunalp, a developer, details the discovery of a critical bug within Apple's fsck_hfs utility. The vulnerability could lead to data corruption or system instability. His detailed Medium post outlines the reverse engineering process and the specific steps taken to identify the flaw, providing a complete technical breakdown.

Source

Sources · how we verified
  1. https://medium.com/@kivancgunalp/i-found-a-bug-in-apples-fsck-hfs-here-s-how-i-tracked-it-down-edc782ce5cf9

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