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Vulnerability details: VCID-ktmd-jeuq-aaah
Vulnerability ID VCID-ktmd-jeuq-aaah
Aliases CVE-2019-8518
Summary Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code execution.
Status Published
Exploitability 2.0
Weighted Severity 8.4
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-787 Out-of-bounds Write
CWE-94 Improper Control of Generation of Code ('Code Injection')
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-8518.html
cvssv3 6.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-8518.json
epss 0.4235 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.4235 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.4235 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.42479 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.43817 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.43817 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.43817 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.43817 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.43817 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.43817 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.43817 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.43817 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.43817 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.43817 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.43817 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.43817 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.43817 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.43817 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.43817 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.43817 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.43817 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.48236 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.66709 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.73729 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.73729 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.73729 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.77836 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.77836 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.77836 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.77836 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.77836 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.77836 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.77836 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.77836 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.80511 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.80511 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
epss 0.80511 https://api.first.org/data/v1/epss?cve=CVE-2019-8518
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8518
cvssv3 6.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 9.3 https://nvd.nist.gov/vuln/detail/CVE-2019-8518
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2019-8518
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2019-8518
generic_textual Medium https://ubuntu.com/security/notices/USN-3948-1
generic_textual Medium https://usn.ubuntu.com/usn/usn-3948-1
generic_textual Medium https://webkitgtk.org/security/WSA-2019-0002.html
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-8518.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-8518.json
https://api.first.org/data/v1/epss?cve=CVE-2019-8518
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8518
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://support.apple.com/HT209599
https://support.apple.com/HT209601
https://support.apple.com/HT209602
https://support.apple.com/HT209603
https://support.apple.com/HT209604
https://support.apple.com/HT209605
https://ubuntu.com/security/notices/USN-3948-1
https://usn.ubuntu.com/usn/usn-3948-1
https://webkitgtk.org/security/WSA-2019-0002.html
cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*
cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*
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-2019-8518 Exploit https://bugs.chromium.org/p/project-zero/issues/detail?id=1775
CVE-2019-8518 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/46649.js
CVE-2019-8518 https://nvd.nist.gov/vuln/detail/CVE-2019-8518
RHBA-2019:2261 https://bugzilla.redhat.com/show_bug.cgi?id=1719206
Data source Exploit-DB
Date added April 3, 2019
Description WebKit JavaScriptCore - Out-Of-Bounds Access in FTL JIT due to LICM Moving Array Access Before the Bounds Check
Ransomware campaign use Known
Source publication date April 3, 2019
Exploit type dos
Platform multiple
Source update date April 3, 2019
Source URL https://bugs.chromium.org/p/project-zero/issues/detail?id=1775
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-8518.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: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:C/I:C/A:C Found at https://nvd.nist.gov/vuln/detail/CVE-2019-8518
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:3.1/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-2019-8518
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:3.1/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-2019-8518
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 0.97256
EPSS Score 0.4235
Published At May 7, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.