{"api_version":"1","generated_at":"2026-04-23T00:41:43+00:00","cve":"CVE-2022-42856","urls":{"html":"https://cve.report/CVE-2022-42856","api":"https://cve.report/api/cve/CVE-2022-42856.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-42856","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-42856"},"summary":{"title":"Apple iOS Type Confusion Vulnerability","description":"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..","state":"PUBLIC","assigner":"product-security@apple.com","published_at":"2022-12-15 19:15:00","updated_at":"2023-05-30 06:15:00"},"problem_types":["CWE-843"],"metrics":[],"references":[{"url":"http://www.openwall.com/lists/oss-security/2022/12/26/1","name":"[oss-security] 20221226 WebKitGTK and WPE WebKit Security Advisory WSA-2022-0011","refsource":"MLIST","tags":[],"title":"oss-security - WebKitGTK and WPE WebKit Security Advisory WSA-2022-0011","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"http://seclists.org/fulldisclosure/2022/Dec/21","name":"20221220 APPLE-SA-2022-12-13-2 iOS 15.7.2 and iPadOS 15.7.2","refsource":"FULLDISC","tags":[],"title":"Full Disclosure: APPLE-SA-2022-12-13-2 iOS 15.7.2 and iPadOS 15.7.2","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"http://seclists.org/fulldisclosure/2022/Dec/28","name":"20221220 APPLE-SA-2022-12-13-9 Safari 16.2","refsource":"FULLDISC","tags":[],"title":"Full Disclosure: APPLE-SA-2022-12-13-9 Safari 16.2","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://support.apple.com/en-us/HT213535","name":"https://support.apple.com/en-us/HT213535","refsource":"MISC","tags":[],"title":"About the security content of tvOS 16.2 - Apple Support","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://support.apple.com/en-us/HT213532","name":"https://support.apple.com/en-us/HT213532","refsource":"MISC","tags":[],"title":"About the security content of macOS Ventura 13.1 - Apple Support","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://security.gentoo.org/glsa/202305-32","name":"https://security.gentoo.org/glsa/202305-32","refsource":"MISC","tags":[],"title":"WebKitGTK+: Multiple Vulnerabilities (GLSA 202305-32) — Gentoo security","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"http://seclists.org/fulldisclosure/2022/Dec/23","name":"20221220 APPLE-SA-2022-12-13-4 macOS Ventura 13.1","refsource":"FULLDISC","tags":[],"title":"Full Disclosure: APPLE-SA-2022-12-13-4 macOS Ventura 13.1","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://support.apple.com/en-us/HT213516","name":"https://support.apple.com/en-us/HT213516","refsource":"MISC","tags":[],"title":"About the security content of iOS 16.1.2 - Apple Support","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://support.apple.com/en-us/HT213537","name":"https://support.apple.com/en-us/HT213537","refsource":"MISC","tags":[],"title":"About the security content of Safari 16.2 - Apple Support","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://seclists.org/fulldisclosure/2022/Dec/26","name":"20221220 APPLE-SA-2022-12-13-7 tvOS 16.2","refsource":"FULLDISC","tags":[],"title":"","mime":"","httpstatus":"-1","archivestatus":"404"},{"url":"http://seclists.org/fulldisclosure/2022/Dec/22","name":"20221220 APPLE-SA-2022-12-13-3 iOS 16.1.2","refsource":"FULLDISC","tags":[],"title":"Full Disclosure: APPLE-SA-2022-12-13-3 iOS 16.1.2","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://support.apple.com/en-us/HT213531","name":"https://support.apple.com/en-us/HT213531","refsource":"MISC","tags":[],"title":"About the security content of iOS 15.7.2 and iPadOS 15.7.2 - Apple Support","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-42856","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-42856","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2022","cve_id":"42856","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"ipados","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"42856","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"iphone_os","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"42856","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"macos","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"42856","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"apple","cpe5":"safari","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"42856","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"tvos","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":{"cve_year":"2022","cve_id":"42856","cve":"CVE-2022-42856","vendorProject":"Apple","product":"iOS","vulnerabilityName":"Apple iOS Type Confusion Vulnerability","dateAdded":"2022-12-14","shortDescription":"Apple iOS contains a type confusion vulnerability when processing maliciously crafted web content leading to code execution.","requiredAction":"Apply updates per vendor instructions.","dueDate":"2023-01-04","knownRansomwareCampaignUse":"Unknown","notes":"https://support.apple.com/en-us/HT213516;  https://nvd.nist.gov/vuln/detail/CVE-2022-42856","cwes":"CWE-843","catalogVersion":"2026.04.22","updated_at":"2026-04-22 20:03:10"},"epss":{"cve_year":"2022","cve_id":"42856","cve":"CVE-2022-42856","epss":"0.001870000","percentile":"0.404670000","score_date":"2026-04-22","updated_at":"2026-04-23 00:03:16"},"legacy_qids":[{"cve":"CVE-2022-42856","qid":"160368","title":"Oracle Enterprise Linux Security Update for webkit2gtk3 (ELSA-2023-0021)"},{"cve":"CVE-2022-42856","qid":"160369","title":"Oracle Enterprise Linux Security Update for webkit2gtk3 (ELSA-2023-0016)"},{"cve":"CVE-2022-42856","qid":"181454","title":"Debian Security Update for webkit2gtk (DSA 5308-1)"},{"cve":"CVE-2022-42856","qid":"181456","title":"Debian Security Update for wpewebkit (DSA 5309-1)"},{"cve":"CVE-2022-42856","qid":"181484","title":"Debian Security Update for webkit2gtk (DLA 3274-1)"},{"cve":"CVE-2022-42856","qid":"184213","title":"Debian Security Update for webkit2gtkwpewebkit (CVE-2022-42856)"},{"cve":"CVE-2022-42856","qid":"199092","title":"Ubuntu Security Notification for WebKitGTK Vulnerabilities (USN-5797-1)"},{"cve":"CVE-2022-42856","qid":"241033","title":"Red Hat Update for webkit2gtk3 (RHSA-2023:0021)"},{"cve":"CVE-2022-42856","qid":"241034","title":"Red Hat Update for webkit2gtk3 (RHSA-2023:0016)"},{"cve":"CVE-2022-42856","qid":"283561","title":"Fedora Security Update for webkitgtk (FEDORA-2022-6bc49e9e54)"},{"cve":"CVE-2022-42856","qid":"283570","title":"Fedora Security Update for webkit2gtk3 (FEDORA-2022-71121c44a4)"},{"cve":"CVE-2022-42856","qid":"355438","title":"Amazon Linux Security Advisory for webkitgtk4 : ALAS2-2023-2088"},{"cve":"CVE-2022-42856","qid":"377830","title":"Apple Safari Multiple Vulnerabilities (HT213537)"},{"cve":"CVE-2022-42856","qid":"377838","title":"Apple macOS Ventura 13.1 Not Installed (HT213532)"},{"cve":"CVE-2022-42856","qid":"377880","title":"Alibaba Cloud Linux Security Update for webkit2gtk3 (ALINUX3-SA-2023:0001)"},{"cve":"CVE-2022-42856","qid":"610455","title":"Apple iOS 15.7.2 and iPadOS 15.7.2 Security Update Missing"},{"cve":"CVE-2022-42856","qid":"610457","title":"Apple iOS 16.1.2 Security Update Missing"},{"cve":"CVE-2022-42856","qid":"610458","title":"Apple iOS 12.5.7 Security Update Missing (HT213597)"},{"cve":"CVE-2022-42856","qid":"710737","title":"Gentoo Linux WebKitGTK+ Multiple Vulnerabilities (GLSA 202305-32)"},{"cve":"CVE-2022-42856","qid":"753076","title":"SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2022:4634-1)"},{"cve":"CVE-2022-42856","qid":"753079","title":"SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2022:4641-1)"},{"cve":"CVE-2022-42856","qid":"753080","title":"SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2022:4642-1)"},{"cve":"CVE-2022-42856","qid":"753528","title":"SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2023:0061-1)"},{"cve":"CVE-2022-42856","qid":"940867","title":"AlmaLinux Security Update for webkit2gtk3 (ALSA-2023:0016)"},{"cve":"CVE-2022-42856","qid":"940868","title":"AlmaLinux Security Update for webkit2gtk3 (ALSA-2023:0021)"},{"cve":"CVE-2022-42856","qid":"960488","title":"Rocky Linux Security Update for webkit2gtk3 (RLSA-2023:0021)"},{"cve":"CVE-2022-42856","qid":"960591","title":"Rocky Linux Security Update for webkit2gtk3 (RLSA-2023:0016)"}]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2022-42856","ASSIGNER":"product-security@apple.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"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.."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"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."}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"Apple","product":{"product_data":[{"product_name":"tvOS","version":{"version_data":[{"version_affected":"<","version_name":"unspecified","version_value":"16.2"}]}}]}}]}},"references":{"reference_data":[{"url":"https://support.apple.com/en-us/HT213535","refsource":"MISC","name":"https://support.apple.com/en-us/HT213535"},{"url":"https://support.apple.com/en-us/HT213532","refsource":"MISC","name":"https://support.apple.com/en-us/HT213532"},{"url":"https://support.apple.com/en-us/HT213531","refsource":"MISC","name":"https://support.apple.com/en-us/HT213531"},{"url":"https://support.apple.com/en-us/HT213516","refsource":"MISC","name":"https://support.apple.com/en-us/HT213516"},{"url":"https://support.apple.com/en-us/HT213537","refsource":"MISC","name":"https://support.apple.com/en-us/HT213537"},{"url":"http://seclists.org/fulldisclosure/2022/Dec/21","refsource":"MISC","name":"http://seclists.org/fulldisclosure/2022/Dec/21"},{"url":"http://seclists.org/fulldisclosure/2022/Dec/23","refsource":"MISC","name":"http://seclists.org/fulldisclosure/2022/Dec/23"},{"url":"http://seclists.org/fulldisclosure/2022/Dec/22","refsource":"MISC","name":"http://seclists.org/fulldisclosure/2022/Dec/22"},{"url":"http://seclists.org/fulldisclosure/2022/Dec/26","refsource":"MISC","name":"http://seclists.org/fulldisclosure/2022/Dec/26"},{"url":"http://seclists.org/fulldisclosure/2022/Dec/28","refsource":"MISC","name":"http://seclists.org/fulldisclosure/2022/Dec/28"},{"url":"http://www.openwall.com/lists/oss-security/2022/12/26/1","refsource":"MISC","name":"http://www.openwall.com/lists/oss-security/2022/12/26/1"},{"url":"https://security.gentoo.org/glsa/202305-32","refsource":"MISC","name":"https://security.gentoo.org/glsa/202305-32"}]}},"nvd":{"publishedDate":"2022-12-15 19:15:00","lastModifiedDate":"2023-05-30 06:15:00","problem_types":["CWE-843"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*","versionEndExcluding":"16.2","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*","versionEndExcluding":"15.7.2","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*","versionEndExcluding":"15.7.2","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*","versionEndExcluding":"13.1","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*","versionStartIncluding":"16.0","versionEndExcluding":"16.1.2","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*","versionEndExcluding":"16.2","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}