CVE-2021-30632: Google Chromium V8 Out-of-Bounds Write Vulnerability
First published: Wed Sep 08 2021(Updated: )
Google Chromium V8 Engine contains an out-of-bounds write 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 Anonymous chrome-cve-admin@google.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Chrome | <93.0.4577.82 | |
| Fedoraproject Fedora | =33 | |
| Fedoraproject Fedora | =35 | |
| Google Chrome | <93.0.4577.82 | 93.0.4577.82 |
| Google Chromium V8 | ||
| <93.0.4577.82 | ||
| =33 | ||
| =35 |
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Reference Links
- http://packetstormsecurity.com/files/172845/Chrome-JIT-Compiler-Type-Confusion.html
- https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html (Advisory)
- https://crbug.com/1247763
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/
- https://nvd.nist.gov/vuln/detail/CVE-2021-30632
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2021-30632?
CVE-2021-30632 is a vulnerability in the Google Chromium V8 Engine that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Which software is affected by CVE-2021-30632?
Web browsers that utilize Chromium, including Google Chrome and Microsoft Edge, are affected by CVE-2021-30632.
How severe is CVE-2021-30632?
CVE-2021-30632 is classified as high severity and has a severity score of 8.8 out of 10.
How can I fix CVE-2021-30632?
To fix CVE-2021-30632, update your web browser to the latest version that includes a patch for this vulnerability.
Where can I find more information about CVE-2021-30632?
You can find more information about CVE-2021-30632 in the references provided: http://packetstormsecurity.com/files/172845/Chrome-JIT-Compiler-Type-Confusion.html, https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html, https://crbug.com/1247763.
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