CVE-2021-30522: Use after free in WebAudio
First published: Tue Feb 09 2021(Updated: )
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: chrome-cve-admin@google.com Piotr Bania Cisco Talos
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Chrome (Trace Event) | <91.0.4472.77 | 91.0.4472.77 |
| Google Chrome | <91.0.4472.77 | |
| Red Hat Fedora | =33 | |
| Red Hat Fedora | =34 |
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Reference Links
- https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html (Advisory)
- https://crbug.com/1176218
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/
- https://security.gentoo.org/glsa/202107-06
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1251
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/
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.
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- collector/chrome-releases
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- vendor/google
- canonical/google chrome (trace event)
- canonical/google chrome
- vendor/fedoraproject
- canonical/red hat fedora
- version/red hat fedora/33
- version/red hat fedora/34