CVE-2017-18266

xdg-utils: Argument injection vulnerability in open_envvar() function

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Severity

Low

Red Hat Product Security

4.4

CVSS 3.0

Review impact separately from score.

Published · November 18, 2017

Updated · November 22, 2025

Description

The open_envvar function in xdg-open in xdg-utils before 1.1.3 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, as demonstrated by %s in this environment variable.

Statement

This issue did not affect the versions of xdg-utils as shipped with Red Hat Enterprise Linux 6 and 7.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 4.4
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

CWE-88 · Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')