CVE-2021-30818

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2021-30818
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-10-28 19:15:00 UTC
Updated2021-12-21 19:48:00 UTC
DescriptionA type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, Safari 15, watchOS 8. Processing maliciously crafted web content may lead to arbitrary code execution.

Risk And Classification

Problem Types: CWE-843

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
Operating System Apple Watchos All All All All

References

ReferenceSourceLinkTags
About the security content of tvOS 15 - Apple Support MISC support.apple.com
About the security content of iOS 15 and iPadOS 15 - Apple Support MISC support.apple.com
About the security content of Safari 15 - Apple Support MISC support.apple.com
About the security content of watchOS 8 - Apple Support MISC support.apple.com
oss-security - WebKitGTK and WPE WebKit Security Advisory WSA-2021-0007 MLIST www.openwall.com
About the security content of macOS Monterey 12.0.1 - Apple Support CONFIRM support.apple.com
About the security content of iOS 14.8 and iPadOS 14.8 - Apple Support MISC support.apple.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159799 Oracle Enterprise Linux Security Update for webkit2gtk3 (ELSA-2022-1777)
  • 184212 Debian Security Update for webkit2gtkwpewebkit (CVE-2021-30818)
  • 240305 Red Hat Update for webkit2gtk3 security (RHSA-2022:1777)
  • 296063 Oracle Solaris 11.4 Support Repository Update (SRU) 45.119.2 Missing (CPUAPR2022)
  • 354436 Amazon Linux Security Advisory for webkit2gtk3 : ALAS2022-2022-015
  • 355438 Amazon Linux Security Advisory for webkitgtk4 : ALAS2-2023-2088
  • 502395 Alpine Linux Security Update for webkit2gtk
  • 505523 Alpine Linux Security Update for webkit2gtk
  • 710570 Gentoo Linux WebkitGTK+ Multiple Vulnerabilities (GLSA 202202-01)
  • 751623 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2022:0142-1)
  • 751646 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2022:0183-1)
  • 751648 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2022:0182-1)
  • 751659 OpenSUSE Security Update for webkit2gtk3 (openSUSE-SU-2022:0182-1)
  • 751755 OpenSUSE Security Update for webkit2gtk3 (openSUSE-SU-2022:0182-2)
  • 940505 AlmaLinux Security Update for webkit2gtk3 (ALSA-2022:1777)
  • 960138 Rocky Linux Security Update for webkit2gtk3 (RLSA-2022:1777)
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report