Is CVE-2018-4267 in the CISA KEV catalog?

No. CVE-2018-4267 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-4267?

CVE-2018-4267 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2018-4267?

CVE-2018-4267 has an EPSS score of 1.98% (78th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-4267?

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

CVE & CISA-KEV Catalog

CVE-2018-4267

HIGHEPSS 78th pctl

8.8

CVSS v3

NVD

Description

Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 11.4.1, tvOS 11.4.1, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.

CWE-119Buffer Overflow

How to fix

Remediation Available

webkit2gtkDebian

Fixed in:2.20.4-1CVE-2018-4267

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:11.1.2Fixed in:11.1.2Apple Inc.

iCloud (Legacy)Windows application

Affected:7.6Fixed in:7.6Apple Inc.

iTunesWindows application

Affected:12.8Fixed in:12.8Apple 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

1.98%probability of exploitation in 30 days

78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Vendor Advisory5

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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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.