Search for vulnerabilities
Vulnerability details: VCID-vhre-u13s-cfek
Vulnerability ID VCID-vhre-u13s-cfek
Aliases CVE-2018-4273
Summary Multiple memory corruption issues were addressed with improved input validation. This issue affected versions prior to iOS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.
Status Published
Exploitability 0.5
Weighted Severity 5.9
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
System Score Found at
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2018-4273
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2018-4273
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2018-4273
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2018-4273
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2018-4273
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2018-4273
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2018-4273
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2018-4273
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2018-4273
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2018-4273
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2018-4273
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2018-4273
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2018-4273
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2018-4273
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2018-4273
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2018-4273
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2018-4273
cvssv3 7 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-4273
cvssv3 6.5 https://nvd.nist.gov/vuln/detail/CVE-2018-4273
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-4273
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4273
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://support.apple.com/kb/HT208932
https://support.apple.com/kb/HT208933
https://support.apple.com/kb/HT208934
https://support.apple.com/kb/HT208935
https://support.apple.com/kb/HT208936
https://support.apple.com/kb/HT208938
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:apple:watchos:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
CVE-2018-4273 https://nvd.nist.gov/vuln/detail/CVE-2018-4273
USN-3743-1 https://usn.ubuntu.com/3743-1/
No exploits are available.
Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H 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:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-4273
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:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-4273
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
Exploit Prediction Scoring System (EPSS)
Percentile 0.59503
EPSS Score 0.00394
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:39:02.981909+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/3743-1/ 37.0.0