CVE-2021-21230: Type Confusion in V8
First published: Tue Apr 13 2021(Updated: )
Type confusion in V8 in Google Chrome prior to 90.0.4430.93 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Credit: chrome-cve-admin@google.com Manfred Paul
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/chromium | 90.0.4430.212-1~deb10u1 116.0.5845.180-1~deb11u1 118.0.5993.70-1~deb11u1 116.0.5845.180-1~deb12u1 118.0.5993.70-1~deb12u1 118.0.5993.70-1 | |
| Google Chrome (Trace Event) | <90.0.4430.93 | 90.0.4430.93 |
| Google Chrome | <90.0.4430.93 | |
| Red Hat Fedora | =32 | |
| Red Hat Fedora | =33 | |
| Red Hat Fedora | =34 | |
| Debian Linux | =10.0 |
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2021-21230
- https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_26.html (Advisory)
- https://crbug.com/1198705
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/
- https://security.gentoo.org/glsa/202104-08
- https://www.debian.org/security/2021/dsa-4911
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2021-21230?
CVE-2021-21230 is classified as a high severity vulnerability due to its potential impact on heap corruption.
How do I fix CVE-2021-21230?
To fix CVE-2021-21230, update Google Chrome to version 90.0.4430.93 or later.
What versions of Google Chrome are affected by CVE-2021-21230?
CVE-2021-21230 affects Google Chrome versions prior to 90.0.4430.93.
Can CVE-2021-21230 be exploited through a web page?
Yes, CVE-2021-21230 can be exploited through a crafted HTML page that triggers the type confusion.
Is CVE-2021-21230 specific to any operating systems?
CVE-2021-21230 impacts Google Chrome on various operating systems including Windows, Linux, and macOS.
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