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maxminddb's `Reader::open_mmap` unsoundly marks unsafe memmap operation as safe

🗓️ 02 Dec 2025 00:29:11Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 3 Views

MaxMindDB before 0.27 marks Reader::open_mmap safe despite unsafe memmap risking undefined behavior.

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11 Dec 2025 17:28Current
6.8Medium risk
Vulners AI Score6.8
3