CVE-2021-1820

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Summary

CVECVE-2021-1820
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-09-08 15:15:00 UTC
Updated2022-07-12 17:42:00 UTC
DescriptionA memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may result in the disclosure of process memory.

Risk And Classification

Problem Types: CWE-665

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
Operating System Apple Tvos All All All All
Operating System Apple Watchos All All All All

References

ReferenceSourceLinkTags
About the security content of macOS Big Sur 11.3 - Apple Support MISC support.apple.com
About the security content of watchOS 7.4 - Apple Support MISC support.apple.com
About the security content of tvOS 14.5 - Apple Support MISC support.apple.com
About the security content of iOS 14.5 and iPadOS 14.5 - 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

  • 179816 Debian Security Update for webkit2gtkwpewebkit (CVE-2021-1820)
  • 296065 Oracle Solaris 11.4 Support Repository Update (SRU) 39.107.1 Missing (CPUOCT2021)
  • 355438 Amazon Linux Security Advisory for webkitgtk4 : ALAS2-2023-2088
  • 375503 Apple MacOS Big Sur 11.3 Not Installed (HT212325)
  • 501938 Alpine Linux Security Update for webkit2gtk
  • 505515 Alpine Linux Security Update for webkit2gtk
  • 610334 Apple iOS 14.5 and iPadOS 14.5 Security Update Missing (HT212317)
  • 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)
  • 960096 Rocky Linux Security Update for GNOME (RLSA-2021:1586)
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