CVE-2021-21143: Heap buffer overflow in Extensions
First published: Wed Jan 06 2021(Updated: )
Heap buffer overflow in Extensions in Google Chrome prior to 88.0.4324.146 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.
Credit: chrome-cve-admin@google.com Allen Parker & Alex Morgan MU
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Chrome (Trace Event) | <88.0.4324.146 | 88.0.4324.146 |
| Google Chrome (Trace Event) | <88.0.4324.146 | |
| Fedora | =32 | |
| Fedora | =33 |
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Reference Links
- https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop.html (Advisory)
- https://crbug.com/1163504
- 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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUQSMNV7INLDDSD3RKI5S5EAULX2QC7P/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7ACWYJ74Z3YN2XH4QMUEGNBC3VXX464L/
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2021-21143?
CVE-2021-21143 has a medium severity rating due to its potential to exploit heap corruption through malicious Chrome Extensions.
How do I fix CVE-2021-21143?
To fix CVE-2021-21143, update Google Chrome to version 88.0.4324.146 or later.
Who is affected by CVE-2021-21143?
Users of Google Chrome versions prior to 88.0.4324.146 and Fedora versions 32 and 33 are affected by CVE-2021-21143.
What type of vulnerability is CVE-2021-21143?
CVE-2021-21143 is categorized as a heap buffer overflow vulnerability.
Can CVE-2021-21143 be exploited remotely?
Yes, CVE-2021-21143 can be exploited if a user is convinced to install a malicious Chrome Extension.
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- vendor/google
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- vendor/fedoraproject
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- version/fedora/32
- version/fedora/33