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Vulnerability Intelligence

CVE-2017-14849

High

Node.js 8.5.0 before 8.6.0 allows remote attackers to access unintended files, because a change to ".." handling was incompatible with the pathname validation used by unspecified community modules.

Published Sep 28, 2017 · Updated Jul 8, 2026

Key Facts

Patch immediately
  • CVE-2017-14849 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Node.js (Nodejs), nodejs (debian), firefox-atk (suse) and 22 more products.
  • It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
  • EPSS estimates a 54% probability of exploitation in the next 30 days.
  • Fixed versions are available, including firefox-atk 2.26.1-2.8.4, firefox-atk-lang 2.26.1-2.8.4, firefox-cairo 1.15.10-2.13.4.
  • Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

7.5

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

EPSS (30-day exploit likelihood)

54%

Higher than 99.0% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2017-14849 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Node.js 8.5.0 before 8.6.0 allows remote attackers to access unintended files, because a change to ".." handling was incompatible with the pathname validation used by unspecified community modules.

Affected Products

68 affected entries in total
ProductAffected versionsFixed in
Node.jsNodejs8.5.0n/a
nodejsdebianSee advisory0
firefox-atksuseSee advisory2.26.1-2.8.4
firefox-atk-langsuseSee advisory2.26.1-2.8.4
firefox-cairosuseSee advisory1.15.10-2.13.4
20 more affected products in the full CVE brief

Patched Releases

firefox-atk

2.26.1-2.8.4

firefox-atk-lang

2.26.1-2.8.4

firefox-cairo

1.15.10-2.13.4

firefox-gdk-pixbuf

2.36.11-2.8.4

firefox-gdk-pixbuf-lang

2.36.11-2.8.4

firefox-gdk-pixbuf-query-loaders

2.36.11-2.8.4

firefox-gdk-pixbuf-thumbnailer

2.36.11-2.8.4

firefox-gio-branding-upstream

2.54.3-2.14.7

firefox-glib2

2.54.3-2.14.7

firefox-glib2-lang

2.54.3-2.14.7

firefox-glib2-tools

2.54.3-2.14.7

firefox-gtk3

3.10.9-2.15.3

firefox-gtk3-branding-upstream

3.10.9-2.15.3

firefox-gtk3-data

3.10.9-2.15.3

firefox-gtk3-immodule-amharic

3.10.9-2.15.3

firefox-gtk3-immodule-inuktitut

3.10.9-2.15.3

firefox-gtk3-immodule-multipress

3.10.9-2.15.3

firefox-gtk3-immodule-thai

3.10.9-2.15.3

firefox-gtk3-immodule-vietnamese

3.10.9-2.15.3

firefox-gtk3-immodule-xim

3.10.9-2.15.3

firefox-gtk3-immodules-tigrigna

3.10.9-2.15.3

firefox-gtk3-lang

3.10.9-2.15.3

firefox-gtk3-tools

3.10.9-2.15.3

firefox-harfbuzz

1.7.5-2.7.4

firefox-libatk-1_0-0

2.26.1-2.8.4

Timeline

  1. Publicly disclosed

    Sep 28, 2017

  2. Last updated

    Jul 8, 2026

Weakness Type

  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References

15 more references in the full CVE brief

FAQ

Common Questions.

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