CVE-2021-21146: Use after free in Navigation
Published 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
Alison Huffman(Microsoft Browser Vulnerability Research), Choongwoo Han(Microsoft Browser Vulnerability Research)
Affected Software
4 affected componentsFixes available
Google Chrome<88.0.4324.146
88.0.4324.146
Google Chrome<88.0.4324.146
fedoraproject fedora=32
fedoraproject fedora=33
Event History
Dec 24, 2020
CVE Published
12:00 AM
Feb 9, 2021
CVE Published
via MITRE·02:55 PM
Data Sourced
via MITRE·02:55 PM
DescriptionWeakness
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
1
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.
2
How do I fix CVE-2021-21146?
To fix CVE-2021-21146, update Google Chrome to version 88.0.4324.146 or later.
3
Which versions of Google Chrome are affected by CVE-2021-21146?
CVE-2021-21146 affects Google Chrome versions prior to 88.0.4324.146.
4
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.
5
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.