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Vulnerability details: VCID-nwbv-gjtv-hqh4
Vulnerability ID VCID-nwbv-gjtv-hqh4
Aliases CVE-2018-4442
Summary A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to iOS 12.1.1, tvOS 12.1.1, watchOS 5.1.2, Safari 12.0.2, iTunes 12.9.2 for Windows, iCloud for Windows 7.9.
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 0.32882 https://api.first.org/data/v1/epss?cve=CVE-2018-4442
epss 0.32882 https://api.first.org/data/v1/epss?cve=CVE-2018-4442
epss 0.32882 https://api.first.org/data/v1/epss?cve=CVE-2018-4442
epss 0.32882 https://api.first.org/data/v1/epss?cve=CVE-2018-4442
epss 0.32882 https://api.first.org/data/v1/epss?cve=CVE-2018-4442
epss 0.32882 https://api.first.org/data/v1/epss?cve=CVE-2018-4442
epss 0.32882 https://api.first.org/data/v1/epss?cve=CVE-2018-4442
epss 0.32882 https://api.first.org/data/v1/epss?cve=CVE-2018-4442
epss 0.32882 https://api.first.org/data/v1/epss?cve=CVE-2018-4442
epss 0.32882 https://api.first.org/data/v1/epss?cve=CVE-2018-4442
epss 0.32882 https://api.first.org/data/v1/epss?cve=CVE-2018-4442
epss 0.32882 https://api.first.org/data/v1/epss?cve=CVE-2018-4442
cvssv3 9.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2018-4442
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2018-4442
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-4442
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4442
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://support.apple.com/kb/HT209340
https://support.apple.com/kb/HT209342
https://support.apple.com/kb/HT209343
https://support.apple.com/kb/HT209344
https://support.apple.com/kb/HT209345
https://support.apple.com/kb/HT209346
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-2018-4442 Exploit https://bugs.chromium.org/p/project-zero/issues/detail?id=1699&desc=4
CVE-2018-4442 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/46183.js
CVE-2018-4442 https://nvd.nist.gov/vuln/detail/CVE-2018-4442
Data source Exploit-DB
Date added Jan. 16, 2019
Description WebKit JSC JIT - GetIndexedPropertyStorage Use-After-Free
Ransomware campaign use Known
Source publication date Jan. 16, 2019
Exploit type dos
Platform multiple
Source update date Jan. 16, 2019
Source URL https://bugs.chromium.org/p/project-zero/issues/detail?id=1699&desc=4
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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-2018-4442
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-2018-4442
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 0.96707
EPSS Score 0.32882
Published At Aug. 5, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T12:04:30.392270+00:00 EPSS Importer Import https://epss.cyentia.com/epss_scores-current.csv.gz 37.0.0