CVE-2017-17522

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

Lib/webbrowser.py in Python through 3.6.3 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct argument-injection attacks via a crafted URL. NOTE: a software maintainer indicates that exploitation is impossible because the code relies on subprocess.Popen and the default shell=False setting

Metrics

CVSS 3.0 8.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-74

Affected software

No affected versions have been published.

Timeline

Published
Dec 14, 2017
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2017

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CVE-2017-17522: High severity, CVSS 8.8 | Vulnix