CVE-2021-21146: Use after free in Navigation
First published: Thu Dec 24 2020(Updated: )
Use after free in Navigation in Google Chrome prior to 88.0.4324.146 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
Credit: chrome-cve-admin@google.com Alison Huffman Microsoft Browser Vulnerability ResearchChoongwoo Han Microsoft Browser Vulnerability Research
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Chrome (Trace Event) | <88.0.4324.146 | 88.0.4324.146 |
| Google Chrome | <88.0.4324.146 | |
| Red Hat Fedora | =32 | |
| Red Hat Fedora | =33 |
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Reference Links
- https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop.html (Advisory)
- https://crbug.com/1161705
- 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-2021-21146?
CVE-2021-21146 has a high severity rating due to the potential for sandbox escape through a crafted HTML page.
How do I fix CVE-2021-21146?
To fix CVE-2021-21146, update Google Chrome to version 88.0.4324.146 or later.
Which versions of Google Chrome are affected by CVE-2021-21146?
CVE-2021-21146 affects Google Chrome versions prior to 88.0.4324.146.
What types of systems are impacted by CVE-2021-21146?
CVE-2021-21146 impacts users of Google Chrome on Windows, macOS, and Linux, as well as Fedora 32 and 33.
What does CVE-2021-21146 mean for my cybersecurity?
CVE-2021-21146 indicates a vulnerability that could allow remote attackers to escape the sandbox, posing significant security risks.
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