VULNERABILITY INTELLIGENCE

CVE-2017-18266

CVSS score8.8 HIGH
EPSS probability2.40%
CISA KEVNot currently listed
Published2018-05-10
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

Weakness classification

  • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Primary references