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The Wave_read._read_fmt_chunk function in Lib/wave.py in Python through 3.6.4 does not ensure a nonzero channel value which allows attackers to cause a denial of service (divide-by-zero and exception) via a crafted wav format audio file. NOTE: the vendor disputes this issue because Python applications "need to be prepared to handle a wide variety of exceptions.

🗓️ 18 Aug 2020 07:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 2 Views

Wave_read._read_fmt_chunk Python 3.6.4 allows DoS by crafted WAV files due to nonzero channels.

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27 May 2025 07:00Current
6.9Medium risk
Vulners AI Score6.9
CVSS 24.3
CVSS 36.5
CVSS 3.16.5
EPSS0.00475
2