System	Score	Found at
epss	0.00652	https://api.first.org/data/v1/epss?cve=CVE-2018-4278
epss	0.00652	https://api.first.org/data/v1/epss?cve=CVE-2018-4278
epss	0.00652	https://api.first.org/data/v1/epss?cve=CVE-2018-4278
epss	0.00652	https://api.first.org/data/v1/epss?cve=CVE-2018-4278
epss	0.00652	https://api.first.org/data/v1/epss?cve=CVE-2018-4278
epss	0.00652	https://api.first.org/data/v1/epss?cve=CVE-2018-4278
epss	0.00652	https://api.first.org/data/v1/epss?cve=CVE-2018-4278
epss	0.00652	https://api.first.org/data/v1/epss?cve=CVE-2018-4278
epss	0.00652	https://api.first.org/data/v1/epss?cve=CVE-2018-4278
cvssv3	3.3	https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2	4.3	https://nvd.nist.gov/vuln/detail/CVE-2018-4278
cvssv3	4.3	https://nvd.nist.gov/vuln/detail/CVE-2018-4278

Reference id	Reference type	URL
		https://api.first.org/data/v1/epss?cve=CVE-2018-4278
		https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4278
		https://exchange.xforce.ibmcloud.com/vulnerabilities/146479
		https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
		https://support.apple.com/HT208932
		https://support.apple.com/HT208933%2C
		https://support.apple.com/HT208934%2C
		https://support.apple.com/HT208936%2C
		https://support.apple.com/HT208938%2C
		http://www.securitytracker.com/id/1041232
cpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:*
CVE-2018-4278		https://nvd.nist.gov/vuln/detail/CVE-2018-4278
GLSA-201808-04		https://security.gentoo.org/glsa/201808-04
USN-3743-1		https://usn.ubuntu.com/3743-1/

No exploits are available.

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml

Attack Vector (AV)	Attack Complexity (AC)	Privileges Required (PR)	User Interaction (UI)	Scope (S)	Confidentiality Impact (C)	Integrity Impact (I)	Availability Impact (A)
network adjacent_network local physical	low high	none low high	none required	unchanged changed	high low none	high low none	high low none

Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-4278

Exploitability (E)	Access Vector (AV)	Access Complexity (AC)	Authentication (Au)	Confidentiality Impact (C)	Integrity Impact (I)	Availability Impact (A)
high functional unproven proof_of_concept not_defined	local adjacent_network network	high medium low	multiple single none	none partial complete	none partial complete	none partial complete

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-4278

Attack Vector (AV)	Attack Complexity (AC)	Privileges Required (PR)	User Interaction (UI)	Scope (S)	Confidentiality Impact (C)	Integrity Impact (I)	Availability Impact (A)
network adjacent_network local physical	low high	none low high	none required	unchanged changed	high low none	high low none	high low none

Percentile	0.70815
EPSS Score	0.00652
Published At	April 1, 2026, 12:55 p.m.

Date	Actor	Action	Source	VulnerableCode Version
2026-04-01T13:12:32.808338+00:00	Gentoo Importer	Import	https://security.gentoo.org/glsa/201808-04	38.0.0