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Vulnerability details: VCID-tqat-wbnc-j7cu
Vulnerability ID VCID-tqat-wbnc-j7cu
Aliases CVE-2019-8622
Summary Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1, Safari 12.1.1, iTunes for Windows 12.9.5, iCloud for Windows 7.12. Processing maliciously crafted web content may lead to arbitrary code execution.
Status Published
Exploitability 2.0
Weighted Severity 7.9
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-787 Out-of-bounds Write
System Score Found at
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-8622.json
epss 0.27094 https://api.first.org/data/v1/epss?cve=CVE-2019-8622
epss 0.27094 https://api.first.org/data/v1/epss?cve=CVE-2019-8622
epss 0.27094 https://api.first.org/data/v1/epss?cve=CVE-2019-8622
epss 0.27094 https://api.first.org/data/v1/epss?cve=CVE-2019-8622
epss 0.27094 https://api.first.org/data/v1/epss?cve=CVE-2019-8622
epss 0.27094 https://api.first.org/data/v1/epss?cve=CVE-2019-8622
epss 0.27094 https://api.first.org/data/v1/epss?cve=CVE-2019-8622
epss 0.27094 https://api.first.org/data/v1/epss?cve=CVE-2019-8622
epss 0.27094 https://api.first.org/data/v1/epss?cve=CVE-2019-8622
epss 0.27094 https://api.first.org/data/v1/epss?cve=CVE-2019-8622
epss 0.27094 https://api.first.org/data/v1/epss?cve=CVE-2019-8622
epss 0.27094 https://api.first.org/data/v1/epss?cve=CVE-2019-8622
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2019-8622
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2019-8622
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-8622.json
https://api.first.org/data/v1/epss?cve=CVE-2019-8622
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8622
https://support.apple.com/HT210123
https://support.apple.com/HT210124
https://support.apple.com/HT210125
https://support.apple.com/HT210212
1877048 https://bugzilla.redhat.com/show_bug.cgi?id=1877048
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:mac_os_x:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
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-2019-8622 Exploit https://bugs.chromium.org/p/project-zero/issues/detail?id=1802
CVE-2019-8622 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/46888.txt
CVE-2019-8622 https://nvd.nist.gov/vuln/detail/CVE-2019-8622
RHSA-2019:3553 https://access.redhat.com/errata/RHSA-2019:3553
RHSA-2020:4035 https://access.redhat.com/errata/RHSA-2020:4035
Data source Exploit-DB
Date added May 21, 2019
Description Apple macOS < 10.14.5 / iOS < 12.3 DFG JIT Compiler - 'HasIndexedProperty' Use-After-Free
Ransomware campaign use Known
Source publication date May 21, 2019
Exploit type dos
Platform multiple
Source update date May 21, 2019
Source URL https://bugs.chromium.org/p/project-zero/issues/detail?id=1802
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-8622.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: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-8622
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-2019-8622
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 0.96169
EPSS Score 0.27094
Published At Aug. 6, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T10:06:17.464258+00:00 NVD Importer Import https://nvd.nist.gov/vuln/detail/CVE-2019-8622 37.0.0