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Vulnerability details: VCID-t5ms-zyex-judf
Vulnerability ID VCID-t5ms-zyex-judf
Aliases CVE-2018-4222
Summary 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 a getWasmBufferFromValue out-of-bounds read during WebAssembly compilation.
Status Published
Exploitability 2.0
Weighted Severity 7.9
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-125 Out-of-bounds Read
System Score Found at
epss 0.68543 https://api.first.org/data/v1/epss?cve=CVE-2018-4222
epss 0.68543 https://api.first.org/data/v1/epss?cve=CVE-2018-4222
epss 0.68543 https://api.first.org/data/v1/epss?cve=CVE-2018-4222
epss 0.68543 https://api.first.org/data/v1/epss?cve=CVE-2018-4222
epss 0.68543 https://api.first.org/data/v1/epss?cve=CVE-2018-4222
epss 0.68543 https://api.first.org/data/v1/epss?cve=CVE-2018-4222
epss 0.68543 https://api.first.org/data/v1/epss?cve=CVE-2018-4222
epss 0.68543 https://api.first.org/data/v1/epss?cve=CVE-2018-4222
epss 0.68543 https://api.first.org/data/v1/epss?cve=CVE-2018-4222
epss 0.68543 https://api.first.org/data/v1/epss?cve=CVE-2018-4222
epss 0.68543 https://api.first.org/data/v1/epss?cve=CVE-2018-4222
cvssv3 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2018-4222
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2018-4222
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-4222
https://bugs.chromium.org/p/project-zero/issues/detail?id=1545
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4222
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://www.exploit-db.com/exploits/44859/
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:*:*:*:*:*:*:*:*
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:17.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
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:*:*:*
CVE-2018-4222 Exploit https://bugs.chromium.org/p/project-zero/issues/detail?id=1545&desc=2
CVE-2018-4222 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/44859.html
CVE-2018-4222 https://nvd.nist.gov/vuln/detail/CVE-2018-4222
USN-3687-1 https://usn.ubuntu.com/3687-1/
Data source Exploit-DB
Date added June 8, 2018
Description WebKit - WebAssembly Compilation Info Leak
Ransomware campaign use Known
Source publication date June 8, 2018
Exploit type dos
Platform multiple
Source update date June 8, 2018
Source URL https://bugs.chromium.org/p/project-zero/issues/detail?id=1545&desc=2
Vector: CVSS:3.0/AV:N/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:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-4222
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:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-4222
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 0.98535
EPSS Score 0.68543
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:36:22.273641+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/3687-1/ 37.0.0