CVE-2021-34184: 
NixOS vulnerability analysis and mitigation

Miniaudio 0.10.35 contains a Double Free vulnerability (CVE-2021-34184) that was discovered in June 2021. The vulnerability exists in the ma_default_vfs_close__stdio function within miniaudio.h, which could potentially lead to a buffer overflow condition (NVD, CVE).

The vulnerability occurs in the ma_default_vfs_close__stdio function within miniaudio.h. When triggered, it attempts to perform a double-free operation on a memory region, which can result in a buffer overflow. The issue was identified through fuzzing tests using ASAN with AFL FUZZER. The vulnerability specifically involves a 472-byte memory region that gets freed twice, leading to potential memory corruption (GitHub Issue).

A successful exploitation of this vulnerability could lead to buffer overflow conditions, potentially resulting in memory corruption. This could allow attackers to crash the application or potentially execute arbitrary code (NVD).

The vulnerability can be triggered through specific file operations that cause the double-free condition. A proof-of-concept (PoC) has been documented that demonstrates the vulnerability using a test program compiled with Address Sanitizer (ASAN) (GitHub Issue).