CVE-2017-18207

6.5 mediumEPSS 1.3%

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.

Severity

CVSS 3.0

6.5 medium

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS: 1.3% chance of exploitation in the next 30 days; higher than 70% of CVEs (scores of 2026-10-31)
CWE: CWE-369
Published: 2018-03-01
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

python:python

References

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html
https://bugs.python.org/issue32056
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html
https://bugs.python.org/issue32056

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