Search for vulnerabilities
Vulnerability details: VCID-j785-yj9p-mud6
Vulnerability ID VCID-j785-yj9p-mud6
Aliases CVE-2018-4200
Summary An issue was discovered in certain Apple products. iOS before 11.3.1 is affected. Safari before 11.1 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. 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 that triggers a WebCore::jsElementScrollHeightGetter use-after-free.
Status Published
Exploitability 2.0
Weighted Severity 9.0
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-416 Use After Free
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
System Score Found at
cvssv3 5.0 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-4200.json
epss 0.38021 https://api.first.org/data/v1/epss?cve=CVE-2018-4200
epss 0.38021 https://api.first.org/data/v1/epss?cve=CVE-2018-4200
epss 0.38021 https://api.first.org/data/v1/epss?cve=CVE-2018-4200
epss 0.38021 https://api.first.org/data/v1/epss?cve=CVE-2018-4200
epss 0.38021 https://api.first.org/data/v1/epss?cve=CVE-2018-4200
epss 0.38021 https://api.first.org/data/v1/epss?cve=CVE-2018-4200
epss 0.38021 https://api.first.org/data/v1/epss?cve=CVE-2018-4200
epss 0.38021 https://api.first.org/data/v1/epss?cve=CVE-2018-4200
epss 0.38021 https://api.first.org/data/v1/epss?cve=CVE-2018-4200
epss 0.38021 https://api.first.org/data/v1/epss?cve=CVE-2018-4200
epss 0.38021 https://api.first.org/data/v1/epss?cve=CVE-2018-4200
epss 0.38021 https://api.first.org/data/v1/epss?cve=CVE-2018-4200
epss 0.38601 https://api.first.org/data/v1/epss?cve=CVE-2018-4200
epss 0.38601 https://api.first.org/data/v1/epss?cve=CVE-2018-4200
epss 0.41743 https://api.first.org/data/v1/epss?cve=CVE-2018-4200
epss 0.41743 https://api.first.org/data/v1/epss?cve=CVE-2018-4200
cvssv3 8.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2018-4200
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2018-4200
archlinux Critical https://security.archlinux.org/AVG-692
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-4200.json
https://api.first.org/data/v1/epss?cve=CVE-2018-4200
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4200
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://support.apple.com/HT208741
https://support.apple.com/HT208743
https://www.exploit-db.com/exploits/44566/
http://www.securityfocus.com/bid/103961
http://www.securitytracker.com/id/1040743
1577385 https://bugzilla.redhat.com/show_bug.cgi?id=1577385
ASA-201805-9 https://security.archlinux.org/ASA-201805-9
AVG-692 https://security.archlinux.org/AVG-692
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: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-2018-4200 Exploit https://bugs.chromium.org/p/project-zero/issues/detail?id=1525
CVE-2018-4200 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/44566.html
CVE-2018-4200 https://nvd.nist.gov/vuln/detail/CVE-2018-4200
USN-3640-1 https://usn.ubuntu.com/3640-1/
Data source Exploit-DB
Date added May 2, 2018
Description WebKit - 'WebCore::jsElementScrollHeightGetter' Use-After-Free
Ransomware campaign use Known
Source publication date May 2, 2018
Exploit type dos
Platform multiple
Source update date May 2, 2018
Source URL https://bugs.chromium.org/p/project-zero/issues/detail?id=1525
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-4200.json
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: CVSS:3.0/AV:N/AC:L/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-2018-4200
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-2018-4200
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 0.97076
EPSS Score 0.38021
Published At Aug. 4, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:36:29.328243+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/3640-1/ 37.0.0