CVE-2021-30563

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Summary

CVECVE-2021-30563
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-08-03 19:15:00 UTC
Updated2021-08-09 16:43:00 UTC
DescriptionType Confusion in V8 in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Risk And Classification

EPSS: 0.030650000 probability, percentile 0.866740000 (date 2026-04-01)

CISA KEV: Listed on 2021-11-03; due 2021-11-17; ransomware use Unknown

Problem Types: CWE-843

CISA Known Exploited Vulnerability

VendorGoogle
ProductChromium V8
NameGoogle Chromium V8 Type Confusion Vulnerability
Required ActionApply updates per vendor instructions.
Noteshttps://nvd.nist.gov/vuln/detail/CVE-2021-30563

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Google Chrome All All All All

References

ReferenceSourceLinkTags
1228407 - chromium - An open-source project to help move the web forward. - Monorail MISC crbug.com
Chrome Releases: Stable Channel Update for Desktop MISC chromereleases.googleblog.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

  • 179598 Debian Security Update for chromium (CVE-2021-30563)
  • 281721 Fedora Security Update for chromium (FEDORA-2021-9f62d36f09)
  • 281741 Fedora Security Update for chromium (FEDORA-2021-30c84b4924)
  • 282329 Fedora Security Update for qt5 (FEDORA-2022-e39987b17d)
  • 375718 Google Chrome Prior To 91.0.4472.164 Multiple Vulnerabilities
  • 375737 Microsoft Edge Based On Chromium Prior to 91.0.864.71 Multiple Vulnerabilities
  • 501819 Alpine Linux Security Update for chromium
  • 501913 Alpine Linux Security Update for qt5-qtwebengine
  • 502171 Alpine Linux Security Update for qt5-qtwebengine
  • 504614 Alpine Linux Security Update for chromium
  • 710046 Gentoo Linux Chromium, Google Chrome Multiple Vulnerabilities (GLSA 202107-49)
  • 750873 OpenSUSE Security Update for chromium (openSUSE-SU-2021:1073-1)
  • 750926 OpenSUSE Security Update for opera (openSUSE-SU-2021:1096-1)
  • 750932 OpenSUSE Security Update for opera (openSUSE-SU-2021:1095-1)
  • 751978 OpenSUSE Security Update for opera (openSUSE-SU-2022:0110-1)
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