Is CVE-2016-4743 in the CISA KEV catalog?

No. CVE-2016-4743 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-4743?

CVE-2016-4743 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2016-4743?

CVE-2016-4743 has an EPSS score of 1.02% (59th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-4743?

Upgrade webkit2gtk on debian 11 to 2.14.3-1 or later.

CVE & CISA-KEV Catalog

CVE-2016-4743

HIGH

7.1

CVSS v3

NVD

Description

An issue was discovered in certain Apple products. iOS before 10.2 is affected. Safari before 10.0.2 is affected. iCloud before 6.1 is affected. iTunes before 12.5.4 is affected. The issue involves the "WebKit" component. It allows remote attackers to obtain sensitive information from process memory or cause a denial of service (memory corruption and application crash) via a crafted web site.

CWE-119Buffer Overflow

How to fix

Remediation Available

webkit2gtkDebian

Fixed in:2.14.3-1CVE-2016-4743

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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.02%probability of exploitation in 30 days

59thpercentile

Moderate risk: more likely to be exploited than 59% of all known CVEs.

References

Vendor Advisory4

Third-Party Advisory1

securityfocus.com

Other references2

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 2026-05-13.