CVE-2017-18207

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-03-01 · updated 2026-06-17
Weakness: CWE-369

Description

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.

Affected products

Python: through 3.6.4

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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