CVE-2021-30522: Use after free in WebAudio
Use after free in WebAudio in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Credit
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Google Chrome (Trace Event)to a version that resolves this vulnerability.Fixed in 91.0.4472.77 - Upgrade
Upgrade
alpine/chromiumto a version that resolves this vulnerability.Fixed in 91.0.4472.77-r0 - Upgrade
Upgrade
alpine/qt5-qtwebengineto a version that resolves this vulnerability.Fixed in 5.15.3_git20211006-r0 - Upgrade
Upgrade
alpine/qt5-qtwebengineto a version that resolves this vulnerability.Fixed in 5.15.3_git20210510-r3
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2021-30521
- CVE-2021-30523
- CVE-2021-30524
- CVE-2021-30525
- CVE-2021-30526
- CVE-2021-30527
- CVE-2021-30528
- CVE-2021-4322
- CVE-2021-30529
- CVE-2021-30530
- CVE-2021-30531
- CVE-2021-30532
- CVE-2021-30533
- CVE-2021-30534
- CVE-2021-30535
- CVE-2021-30542
- CVE-2021-30543
- CVE-2021-30558
- CVE-2021-30536
- CVE-2021-30537
- CVE-2021-30538
- CVE-2021-30539
- CVE-2021-30540
- CVE-2021-4321
Frequently Asked Questions
What is the severity of CVE-2021-30522?
CVE-2021-30522 has a high severity rating due to its potential for exploitation leading to heap corruption.
How do I fix the vulnerability CVE-2021-30522?
You can fix CVE-2021-30522 by updating Google Chrome to version 91.0.4472.77 or later.
Which versions of Google Chrome are affected by CVE-2021-30522?
CVE-2021-30522 affects all versions of Google Chrome prior to 91.0.4472.77.
Can CVE-2021-30522 impact Fedora systems?
Yes, CVE-2021-30522 can impact Fedora systems running Chrome prior to version 91.0.4472.77.
Is user interaction required to exploit CVE-2021-30522?
Exploitation of CVE-2021-30522 does not necessarily require user interaction if the user visits a malicious webpage.