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Vulnerability details: VCID-9jvt-xwuq-sucu
Vulnerability ID VCID-9jvt-xwuq-sucu
Aliases CVE-2022-42856
Summary A type confusion issue was addressed with improved state handling. This issue is fixed in Safari 16.2, tvOS 16.2, macOS Ventura 13.1, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.1.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.1..
Status Published
Exploitability 2.0
Weighted Severity 7.9
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')
System Score Found at
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-42856.json
epss 0.00129 https://api.first.org/data/v1/epss?cve=CVE-2022-42856
epss 0.00129 https://api.first.org/data/v1/epss?cve=CVE-2022-42856
epss 0.00129 https://api.first.org/data/v1/epss?cve=CVE-2022-42856
epss 0.00129 https://api.first.org/data/v1/epss?cve=CVE-2022-42856
epss 0.00129 https://api.first.org/data/v1/epss?cve=CVE-2022-42856
epss 0.00129 https://api.first.org/data/v1/epss?cve=CVE-2022-42856
epss 0.00129 https://api.first.org/data/v1/epss?cve=CVE-2022-42856
epss 0.00129 https://api.first.org/data/v1/epss?cve=CVE-2022-42856
epss 0.00129 https://api.first.org/data/v1/epss?cve=CVE-2022-42856
epss 0.00129 https://api.first.org/data/v1/epss?cve=CVE-2022-42856
epss 0.00129 https://api.first.org/data/v1/epss?cve=CVE-2022-42856
epss 0.00129 https://api.first.org/data/v1/epss?cve=CVE-2022-42856
epss 0.00129 https://api.first.org/data/v1/epss?cve=CVE-2022-42856
epss 0.00157 https://api.first.org/data/v1/epss?cve=CVE-2022-42856
epss 0.00157 https://api.first.org/data/v1/epss?cve=CVE-2022-42856
epss 0.00157 https://api.first.org/data/v1/epss?cve=CVE-2022-42856
epss 0.00157 https://api.first.org/data/v1/epss?cve=CVE-2022-42856
cvssv3.1 8.8 http://seclists.org/fulldisclosure/2022/Dec/21
ssvc Attend http://seclists.org/fulldisclosure/2022/Dec/21
cvssv3.1 8.8 http://seclists.org/fulldisclosure/2022/Dec/22
ssvc Attend http://seclists.org/fulldisclosure/2022/Dec/22
cvssv3.1 8.8 http://seclists.org/fulldisclosure/2022/Dec/23
ssvc Attend http://seclists.org/fulldisclosure/2022/Dec/23
cvssv3.1 8.8 http://seclists.org/fulldisclosure/2022/Dec/26
ssvc Attend http://seclists.org/fulldisclosure/2022/Dec/26
cvssv3.1 8.8 http://seclists.org/fulldisclosure/2022/Dec/28
ssvc Attend http://seclists.org/fulldisclosure/2022/Dec/28
cvssv3.1 8.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2022-42856
cvssv3.1 8.8 https://security.gentoo.org/glsa/202305-32
ssvc Attend https://security.gentoo.org/glsa/202305-32
cvssv3.1 8.8 https://support.apple.com/en-us/HT213516
ssvc Attend https://support.apple.com/en-us/HT213516
cvssv3.1 8.8 https://support.apple.com/en-us/HT213531
ssvc Attend https://support.apple.com/en-us/HT213531
cvssv3.1 8.8 https://support.apple.com/en-us/HT213532
ssvc Attend https://support.apple.com/en-us/HT213532
cvssv3.1 8.8 https://support.apple.com/en-us/HT213535
ssvc Attend https://support.apple.com/en-us/HT213535
cvssv3.1 8.8 https://support.apple.com/en-us/HT213537
ssvc Attend https://support.apple.com/en-us/HT213537
cvssv3.1 8.8 http://www.openwall.com/lists/oss-security/2022/12/26/1
ssvc Attend http://www.openwall.com/lists/oss-security/2022/12/26/1
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-42856.json
https://api.first.org/data/v1/epss?cve=CVE-2022-42856
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42852
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42856
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42867
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-46692
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-46698
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-46699
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-46700
http://seclists.org/fulldisclosure/2022/Dec/23
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1 http://www.openwall.com/lists/oss-security/2022/12/26/1
202305-32 https://security.gentoo.org/glsa/202305-32
21 http://seclists.org/fulldisclosure/2022/Dec/21
2153683 https://bugzilla.redhat.com/show_bug.cgi?id=2153683
22 http://seclists.org/fulldisclosure/2022/Dec/22
26 http://seclists.org/fulldisclosure/2022/Dec/26
28 http://seclists.org/fulldisclosure/2022/Dec/28
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:ipados:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
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:macos:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
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-2022-42856 https://nvd.nist.gov/vuln/detail/CVE-2022-42856
HT213516 https://support.apple.com/en-us/HT213516
HT213531 https://support.apple.com/en-us/HT213531
HT213532 https://support.apple.com/en-us/HT213532
HT213535 https://support.apple.com/en-us/HT213535
HT213537 https://support.apple.com/en-us/HT213537
RHSA-2023:0016 https://access.redhat.com/errata/RHSA-2023:0016
RHSA-2023:0021 https://access.redhat.com/errata/RHSA-2023:0021
RHSA-2025:10364 https://access.redhat.com/errata/RHSA-2025:10364
USN-5797-1 https://usn.ubuntu.com/5797-1/
Data source KEV
Date added Dec. 14, 2022
Description Apple iOS contains a type confusion vulnerability when processing maliciously crafted web content leading to code execution.
Required action Apply updates per vendor instructions.
Due date Jan. 4, 2023
Note 
https://support.apple.com/en-us/HT213516;  https://nvd.nist.gov/vuln/detail/CVE-2022-42856
Ransomware campaign use Unknown
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-2022-42856.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:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at http://seclists.org/fulldisclosure/2022/Dec/21
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: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-28T21:34:19Z/ Found at http://seclists.org/fulldisclosure/2022/Dec/21
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at http://seclists.org/fulldisclosure/2022/Dec/22
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

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none
Vector: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-28T21:34:19Z/ Found at http://seclists.org/fulldisclosure/2022/Dec/22
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at http://seclists.org/fulldisclosure/2022/Dec/23
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: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-28T21:34:19Z/ Found at http://seclists.org/fulldisclosure/2022/Dec/23
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at http://seclists.org/fulldisclosure/2022/Dec/26
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: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-28T21:34:19Z/ Found at http://seclists.org/fulldisclosure/2022/Dec/26
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at http://seclists.org/fulldisclosure/2022/Dec/28
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: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-28T21:34:19Z/ Found at http://seclists.org/fulldisclosure/2022/Dec/28
Vector: CVSS:3.1/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: 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-2022-42856
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://security.gentoo.org/glsa/202305-32
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: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-28T21:34:19Z/ Found at https://security.gentoo.org/glsa/202305-32
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://support.apple.com/en-us/HT213516
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: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-28T21:34:19Z/ Found at https://support.apple.com/en-us/HT213516
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://support.apple.com/en-us/HT213531
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: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-28T21:34:19Z/ Found at https://support.apple.com/en-us/HT213531
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://support.apple.com/en-us/HT213532
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: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-28T21:34:19Z/ Found at https://support.apple.com/en-us/HT213532
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://support.apple.com/en-us/HT213535
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: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-28T21:34:19Z/ Found at https://support.apple.com/en-us/HT213535
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://support.apple.com/en-us/HT213537
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: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-28T21:34:19Z/ Found at https://support.apple.com/en-us/HT213537
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at http://www.openwall.com/lists/oss-security/2022/12/26/1
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: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-28T21:34:19Z/ Found at http://www.openwall.com/lists/oss-security/2022/12/26/1
Exploit Prediction Scoring System (EPSS)
Percentile 0.33328
EPSS Score 0.00129
Published At Aug. 3, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:43:11.009630+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/5797-1/ 37.0.0