CVE-2021-21220

Summary

CVECVE-2021-21220
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-04-26 17:15:00 UTC
Updated2023-12-14 16:15:00 UTC
DescriptionInsufficient validation of untrusted input in V8 in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Risk And Classification

EPSS: 0.925950000 probability, percentile 0.997400000 (date 2026-04-01)

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

Problem Types: CWE-787

CISA Known Exploited Vulnerability

VendorGoogle
ProductChromium V8
NameGoogle Chromium V8 Improper Input Validation Vulnerability
Required ActionApply updates per vendor instructions.
Noteshttps://nvd.nist.gov/vuln/detail/CVE-2021-21220

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 32 All All All
Operating System Fedoraproject Fedora 33 All All All
Operating System Fedoraproject Fedora 34 All All All
Application Google Chrome All All All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 34 Update: chromium-90.0.4430.93-1.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
Chrome V8 JIT XOR Arbitrary Code Execution ≈ Packet Storm packetstormsecurity.com
Chromium, Google Chrome: Multiple vulnerabilities (GLSA 202104-08) — Gentoo security GENTOO security.gentoo.org
1196683 - 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
Google Chrome XOR Typer Out-Of-Bounds Access / Remote Code Execution ≈ Packet Storm MISC packetstormsecurity.com
[SECURITY] Fedora 32 Update: chromium-90.0.4430.93-1.fc32 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 33 Update: chromium-90.0.4430.93-1.fc33 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 34 Update: chromium-90.0.4430.93-1.fc34 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 32 Update: chromium-90.0.4430.93-1.fc32 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 33 Update: chromium-90.0.4430.93-1.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
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

  • 180370 Debian Security Update for chromium (CVE-2021-21220)
  • 281203 Fedora Security Update for chromium (FEDORA-2021-35d2bb4627)
  • 281204 Fedora Security Update for chromium (FEDORA-2021-ff893e12c5)
  • 281205 Fedora Security Update for chromium (FEDORA-2021-c3754414e7)
  • 375445 Google Chrome Prior To 89.0.4389.128 Multiple Vulnerabilities
  • 375446 Microsoft Edge Based On Chromium Prior to 89.0.774.77 Multiple Vulnerabilities
  • 501813 Alpine Linux Security Update for chromium
  • 501911 Alpine Linux Security Update for qt5-qtwebengine
  • 504608 Alpine Linux Security Update for chromium
  • 505350 Alpine Linux Security Update for qt5-qtwebengine
  • 690171 Free Berkeley Software Distribution (FreeBSD) Security Update for chromium (7c0d71a9-9d48-11eb-97a0-e09467587c17)
  • 710018 Gentoo Linux Chromium, Google Chrome Multiple Vulnerabilities (GLSA 202104-08)
  • 750218 OpenSUSE Security Update for opera (openSUSE-SU-2021:0712-1)
  • 750262 OpenSUSE Security Update for chromium (openSUSE-SU-2021:0567-1)
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