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Vulnerability details: VCID-1ad8-wfct-ayb3
Vulnerability ID VCID-1ad8-wfct-ayb3
Aliases CVE-2018-4089
Summary An issue was discovered in certain Apple products. iOS before 11.2.5 is affected. macOS before 10.13.3 is affected. Safari before 11.0.3 is affected. tvOS before 11.2.5 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.
Status Published
Exploitability 2.0
Weighted Severity 7.9
Risk 10.0
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 0.02333 https://api.first.org/data/v1/epss?cve=CVE-2018-4089
epss 0.02333 https://api.first.org/data/v1/epss?cve=CVE-2018-4089
epss 0.02333 https://api.first.org/data/v1/epss?cve=CVE-2018-4089
epss 0.02333 https://api.first.org/data/v1/epss?cve=CVE-2018-4089
epss 0.02333 https://api.first.org/data/v1/epss?cve=CVE-2018-4089
epss 0.02333 https://api.first.org/data/v1/epss?cve=CVE-2018-4089
epss 0.02333 https://api.first.org/data/v1/epss?cve=CVE-2018-4089
epss 0.02333 https://api.first.org/data/v1/epss?cve=CVE-2018-4089
epss 0.02333 https://api.first.org/data/v1/epss?cve=CVE-2018-4089
epss 0.02333 https://api.first.org/data/v1/epss?cve=CVE-2018-4089
epss 0.02333 https://api.first.org/data/v1/epss?cve=CVE-2018-4089
epss 0.02333 https://api.first.org/data/v1/epss?cve=CVE-2018-4089
epss 0.02333 https://api.first.org/data/v1/epss?cve=CVE-2018-4089
epss 0.02333 https://api.first.org/data/v1/epss?cve=CVE-2018-4089
epss 0.02333 https://api.first.org/data/v1/epss?cve=CVE-2018-4089
epss 0.02333 https://api.first.org/data/v1/epss?cve=CVE-2018-4089
cvssv3 6.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2018-4089
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2018-4089
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-4089
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4089
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://support.apple.com/HT208462
https://support.apple.com/HT208463
https://support.apple.com/HT208465
https://support.apple.com/HT208475
https://www.exploit-db.com/exploits/43937/
http://www.securityfocus.com/bid/102778
http://www.securitytracker.com/id/1040265
http://www.securitytracker.com/id/1040266
http://www.securitytracker.com/id/1040267
cpe:2.3:a:apple:apple_tv:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apple:apple_tv:*:*:*:*:*:*:*:*
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:mac_os_x:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
CVE-2018-4089 Exploit https://bugs.chromium.org/p/project-zero/issues/detail?id=1477
CVE-2018-4089 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/43937.html
CVE-2018-4089 https://nvd.nist.gov/vuln/detail/CVE-2018-4089
Data source Exploit-DB
Date added Feb. 1, 2018
Description WebKit - 'detachWrapper' Use-After-Free
Ransomware campaign use Known
Source publication date Feb. 1, 2018
Exploit type dos
Platform multiple
Source update date Feb. 1, 2018
Source URL https://bugs.chromium.org/p/project-zero/issues/detail?id=1477
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L 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-2018-4089
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-2018-4089
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 0.84196
EPSS Score 0.02333
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T12:04:23.915716+00:00 EPSS Importer Import https://epss.cyentia.com/epss_scores-current.csv.gz 37.0.0