Apple iOS Type Confusion Vulnerability

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Summary

CVECVE-2022-42856
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-12-15 19:15:00 UTC
Updated2023-05-30 06:15:00 UTC
DescriptionA 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..

Risk And Classification

EPSS: 0.001870000 probability, percentile 0.404340000 (date 2026-04-01)

CISA KEV: Listed on 2022-12-14; due 2023-01-04; ransomware use Unknown

Problem Types: CWE-843

CISA Known Exploited Vulnerability

VendorApple
ProductiOS
NameApple iOS Type Confusion Vulnerability
Required ActionApply updates per vendor instructions.
Noteshttps://support.apple.com/en-us/HT213516; https://nvd.nist.gov/vuln/detail/CVE-2022-42856

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Apple Ipados All All All All
Operating System Apple Iphone Os All All All All
Operating System Apple Macos All All All All
Application Apple Safari All All All All
Operating System Apple Tvos All All All All

References

ReferenceSourceLinkTags
oss-security - WebKitGTK and WPE WebKit Security Advisory WSA-2022-0011 MLIST www.openwall.com
Full Disclosure: APPLE-SA-2022-12-13-2 iOS 15.7.2 and iPadOS 15.7.2 FULLDISC seclists.org
Full Disclosure: APPLE-SA-2022-12-13-9 Safari 16.2 FULLDISC seclists.org
About the security content of tvOS 16.2 - Apple Support MISC support.apple.com
About the security content of macOS Ventura 13.1 - Apple Support MISC support.apple.com
WebKitGTK+: Multiple Vulnerabilities (GLSA 202305-32) — Gentoo security MISC security.gentoo.org
Full Disclosure: APPLE-SA-2022-12-13-4 macOS Ventura 13.1 FULLDISC seclists.org
About the security content of iOS 16.1.2 - Apple Support MISC support.apple.com
About the security content of Safari 16.2 - Apple Support MISC support.apple.com
20221220 APPLE-SA-2022-12-13-7 tvOS 16.2 FULLDISC seclists.org
Full Disclosure: APPLE-SA-2022-12-13-3 iOS 16.1.2 FULLDISC seclists.org
About the security content of iOS 15.7.2 and iPadOS 15.7.2 - Apple Support MISC support.apple.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Legacy QID Mappings

  • 160368 Oracle Enterprise Linux Security Update for webkit2gtk3 (ELSA-2023-0021)
  • 160369 Oracle Enterprise Linux Security Update for webkit2gtk3 (ELSA-2023-0016)
  • 181454 Debian Security Update for webkit2gtk (DSA 5308-1)
  • 181456 Debian Security Update for wpewebkit (DSA 5309-1)
  • 181484 Debian Security Update for webkit2gtk (DLA 3274-1)
  • 184213 Debian Security Update for webkit2gtkwpewebkit (CVE-2022-42856)
  • 199092 Ubuntu Security Notification for WebKitGTK Vulnerabilities (USN-5797-1)
  • 241033 Red Hat Update for webkit2gtk3 (RHSA-2023:0021)
  • 241034 Red Hat Update for webkit2gtk3 (RHSA-2023:0016)
  • 283561 Fedora Security Update for webkitgtk (FEDORA-2022-6bc49e9e54)
  • 283570 Fedora Security Update for webkit2gtk3 (FEDORA-2022-71121c44a4)
  • 355438 Amazon Linux Security Advisory for webkitgtk4 : ALAS2-2023-2088
  • 377830 Apple Safari Multiple Vulnerabilities (HT213537)
  • 377838 Apple macOS Ventura 13.1 Not Installed (HT213532)
  • 377880 Alibaba Cloud Linux Security Update for webkit2gtk3 (ALINUX3-SA-2023:0001)
  • 610455 Apple iOS 15.7.2 and iPadOS 15.7.2 Security Update Missing
  • 610457 Apple iOS 16.1.2 Security Update Missing
  • 610458 Apple iOS 12.5.7 Security Update Missing (HT213597)
  • 710737 Gentoo Linux WebKitGTK+ Multiple Vulnerabilities (GLSA 202305-32)
  • 753076 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2022:4634-1)
  • 753079 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2022:4641-1)
  • 753080 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2022:4642-1)
  • 753528 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2023:0061-1)
  • 940867 AlmaLinux Security Update for webkit2gtk3 (ALSA-2023:0016)
  • 940868 AlmaLinux Security Update for webkit2gtk3 (ALSA-2023:0021)
  • 960488 Rocky Linux Security Update for webkit2gtk3 (RLSA-2023:0021)
  • 960591 Rocky Linux Security Update for webkit2gtk3 (RLSA-2023:0016)
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