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Vulnerability details: VCID-ut1h-3f89-g7ah
Vulnerability ID VCID-ut1h-3f89-g7ah
Aliases CVE-2019-8671
Summary Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, Safari 12.1.2, iTunes for Windows 12.9.6, iCloud for Windows 7.13, iCloud for Windows 10.6. 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-2019-8671.json
epss 0.28154 https://api.first.org/data/v1/epss?cve=CVE-2019-8671
epss 0.28154 https://api.first.org/data/v1/epss?cve=CVE-2019-8671
epss 0.28154 https://api.first.org/data/v1/epss?cve=CVE-2019-8671
epss 0.28154 https://api.first.org/data/v1/epss?cve=CVE-2019-8671
epss 0.28154 https://api.first.org/data/v1/epss?cve=CVE-2019-8671
epss 0.28154 https://api.first.org/data/v1/epss?cve=CVE-2019-8671
epss 0.28154 https://api.first.org/data/v1/epss?cve=CVE-2019-8671
epss 0.28154 https://api.first.org/data/v1/epss?cve=CVE-2019-8671
epss 0.28154 https://api.first.org/data/v1/epss?cve=CVE-2019-8671
epss 0.28154 https://api.first.org/data/v1/epss?cve=CVE-2019-8671
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-2019-8671
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2019-8671
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-8671.json
https://api.first.org/data/v1/epss?cve=CVE-2019-8671
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8644
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8649
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8658
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8666
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8669
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8671
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8672
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8673
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8674
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8676
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8677
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8678
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8679
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8680
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8681
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8683
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8684
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8686
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8687
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8688
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8689
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8690
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8707
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8719
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8733
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8763
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8765
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8821
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8822
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://support.apple.com/HT210346
https://support.apple.com/HT210348
https://support.apple.com/HT210351
https://support.apple.com/HT210355
https://support.apple.com/HT210356
https://support.apple.com/HT210357
https://support.apple.com/HT210358
1876632 https://bugzilla.redhat.com/show_bug.cgi?id=1876632
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:*:*:*:*:*:*:*:*
CVE-2019-8671 Exploit https://bugs.chromium.org/p/project-zero/issues/detail?id=1822
CVE-2019-8671 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/47190.txt
CVE-2019-8671 https://nvd.nist.gov/vuln/detail/CVE-2019-8671
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 July 30, 2019
Description macOS / iOS JavaScriptCore - Loop-Invariant Code Motion (LICM) Leaves Object Property Access Unguarded
Ransomware campaign use Known
Source publication date July 30, 2019
Exploit type dos
Platform multiple
Source update date July 30, 2019
Source URL https://bugs.chromium.org/p/project-zero/issues/detail?id=1822
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-2019-8671.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:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-8671
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-2019-8671
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 0.96297
EPSS Score 0.28154
Published At Aug. 12, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:33:32.422503+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.10/community.json 37.0.0