Is CVE-2018-4246 in the CISA KEV catalog?

No. CVE-2018-4246 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-4246?

CVE-2018-4246 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2018-4246?

CVE-2018-4246 has an EPSS score of 3.12% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-4246?

Upgrade webkit2gtk on debian 11 to 2.20.4-1 or later. Fixes are available for 7 affected products.

CVE & CISA-KEV Catalog

CVE-2018-4246

HIGHEPSS 86th pctl

8.8

CVSS v3

NVD

Description

An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code via a crafted web site that leverages type confusion.

CWE-704

How to fix

Remediation Available

webkit2gtkDebian

Fixed in:2.20.4-1CVE-2018-4246

libjavascriptcoregtk-4.0-18Ubuntu

Fixed in:2.20.5-0ubuntu0.16.04.1USN-3743-1

Fixed in:2.20.5-0ubuntu0.18.04.1USN-3743-1

libwebkit2gtk-4.0-37Ubuntu

Fixed in:2.20.5-0ubuntu0.16.04.1USN-3743-1

Fixed in:2.20.5-0ubuntu0.18.04.1USN-3743-1

webkit2gtkUbuntu

Fixed in:2.20.5-0ubuntu0.16.04.1USN-3743-1

Fixed in:2.20.5-0ubuntu0.18.04.1USN-3743-1

SafariWindows application

Affected:11.1.1Fixed in:11.1.1Apple Inc.

iCloud (Legacy)Windows application

Affected:7.5Fixed in:7.5Apple Inc.

iTunesWindows application

Affected:12.7.5Fixed in:12.7.5Apple Inc.

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 InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

3.12%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Vendor Advisory6

Third-Party Advisory2

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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.