CVE-2021-21148: Google Chromium V8 Heap Buffer Overflow Vulnerability
First published: Sun Jan 24 2021(Updated: )
Google Chromium V8 Engine contains a heap buffer overflow vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
Credit: chrome-cve-admin@google.com chrome-cve-admin@google.com Mattias Buelens chrome-cve-admin@google.com
| 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 | <88.0.4324.150 | |
| Fedoraproject Fedora | =32 | |
| Fedoraproject Fedora | =33 | |
| Debian Debian Linux | =10.0 | |
| Google Chrome | <88.0.4324.150 | 88.0.4324.150 |
| <88.0.4324.150 | ||
| =32 | ||
| =33 | ||
| =10.0 | ||
| Google Chromium V8 |
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2021-21148
- http://packetstormsecurity.com/files/162579/Chrome-Array-Transfer-Bypass.html
- https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop_4.html (Advisory)
- https://crbug.com/1170176
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7ACWYJ74Z3YN2XH4QMUEGNBC3VXX464L/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AUQSMNV7INLDDSD3RKI5S5EAULX2QC7P/
- https://security.gentoo.org/glsa/202104-08
- https://www.debian.org/security/2021/dsa-4858
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7ACWYJ74Z3YN2XH4QMUEGNBC3VXX464L/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUQSMNV7INLDDSD3RKI5S5EAULX2QC7P/
- https://nvd.nist.gov/vuln/detail/CVE-2021-21148
Frequently Asked Questions
What is CVE-2021-21148?
CVE-2021-21148 is a heap buffer overflow vulnerability in the Google Chromium V8 Engine.
Which software is affected by CVE-2021-21148?
Web browsers that utilize Chromium, including Google Chrome and Microsoft Edge, are affected by CVE-2021-21148.
What is the severity of CVE-2021-21148?
CVE-2021-21148 has a severity score of 8.8 (high).
How can a remote attacker exploit CVE-2021-21148?
A remote attacker can potentially exploit CVE-2021-21148 by using a crafted HTML page to cause heap corruption.
Are there any available remedies for CVE-2021-21148?
Yes, there are available remedies for CVE-2021-21148. Please refer to the referenced sources for more information.
- collector/security-tracker-debian
- agent/type
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/title
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- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
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- exploited/true
- collector/chrome-releases
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- vendor/google
- canonical/google chrome
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- version/fedoraproject fedora/32
- version/fedoraproject fedora/33
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/10.0
- canonical/google chromium v8