01 Record

CVE-2017-18266

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

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 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

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 2.49% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 83.5% of scored records. A rank, not a probability.
NVD base score: 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2018-05-10 14:00Z8 YR AGO

Last updated

2024-08-05 21:13Z2 YR AGO

Reserved

2018-05-10

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')Class
CWE-88Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')Base

Data version

5.1

Document digest

98c807365ca212e160626aa7015e2b3f4550c1fa9e271289d6ce35e161eef2ed

05 Affected products

VendorProductVersionsPlatforms

canonicalubuntu_linuxNot specified—

debiandebian_linuxNot specified—

freedesktopxdg-utilsNot specified—

redhatenterprise_linuxNot specified—

06 References

cgit.freedesktop.orghttps://cgit.freedesktop.org/xdg/xdg-utils/commit/?id=ce802d71c3466d1dbb24f2fe9b6db82a1f899bcbx_refsource_MISC
cgit.freedesktop.orghttps://cgit.freedesktop.org/xdg/xdg-utils/tree/ChangeLogx_refsource_MISC
usn.ubuntu.comUSN-3650-1https://usn.ubuntu.com/3650-1/vendor-advisoryx_refsource_UBUNTU
lists.debian.org[debian-lts-announce] 20180525 [SECURITY] [DLA 1384-1] xdg-utils security updatehttps://lists.debian.org/debian-lts-announce/2018/05/msg00014.htmlmailing-listx_refsource_MLIST
www.debian.orgDSA-4211https://www.debian.org/security/2018/dsa-4211vendor-advisoryx_refsource_DEBIAN
bugs.freedesktop.orghttps://bugs.freedesktop.org/show_bug.cgi?id=103807x_refsource_MISC
cgit.freedesktop.orghttps://cgit.freedesktop.org/xdg/xdg-utils/commit/?id=5647afb35e4bcba2060148e1a2a47bc43cc240f2x_refsource_MISC

01 Record index

CVE-2017-18266

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2017-18266

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References