Is CVE-2018-5140 in the CISA KEV catalog?

No. CVE-2018-5140 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-5140?

CVE-2018-5140 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2018-5140?

CVE-2018-5140 has an EPSS score of 1.32% (67th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-5140?

Upgrade firefox on debian unstable to 59.0-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2018-5140

MEDIUM

5.3

CVSS v3

NVD

Description

Image for moz-icons can be accessed through the "moz-icon:" protocol through script in web content even when otherwise prohibited. This could allow for information leakage of which applications are associated with specific MIME types by a malicious page. This vulnerability affects Firefox < 59.

CWE-200Information Exposure

How to fix

Remediation Available

firefoxDebian

Fixed in:59.0-1CVE-2018-5140

firefoxUbuntu

Fixed in:59.0+build5-0ubuntu0.14.04.1USN-3596-1

Fixed in:59.0+build5-0ubuntu0.16.04.1USN-3596-1

DeveloperEditionWindows application

Affected:59.0Fixed in:59.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:59.0Fixed in:59.0Mozilla

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.32%probability of exploitation in 30 days

67thpercentile

Moderate risk: more likely to be exploited than 67% of all known CVEs.

References

Vendor Advisory1

mozilla.org

Third-Party Advisory3

Other references1

bugzilla.mozilla.org

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24919	High	8.6	100%	KEV + Ransom	-
CVE-2020-14181	Medium	5.3	100%	-	Fix
CVE-2021-34429	Medium	5.3	99%	-	Fix
CVE-2018-11409	Medium	5.3	98%	-	-
CVE-2021-41277	Critical	10.0	97%	KEV	-
CVE-2016-2183	High	7.5	96%	-	Fix

Embed a live status badge for CVE-2018-5140

Markdown

[![CVE-2018-5140](https://tridentstack.com/cve/badge/CVE-2018-5140.svg)](https://tridentstack.com/cve/CVE-2018-5140)

HTML

<a href="https://tridentstack.com/cve/CVE-2018-5140"><img src="https://tridentstack.com/cve/badge/CVE-2018-5140.svg" alt="CVE-2018-5140"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.