CVE-2021-30525: Use after free in TabGroups
First published: Sun Apr 11 2021(Updated: )
Use after free in TabGroups in Google Chrome prior to 91.0.4472.77 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page.
Credit: chrome-cve-admin@google.com David Erceg
| 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/1197888
- 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://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-2021-30522
- CVE-2021-30523
- CVE-2021-30524
- 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-2021-30525?
CVE-2021-30525 is classified as a high severity vulnerability that can lead to heap corruption through a use-after-free flaw.
How do I fix CVE-2021-30525?
To fix CVE-2021-30525, update Google Chrome to version 91.0.4472.77 or later.
What versions of Google Chrome are affected by CVE-2021-30525?
CVE-2021-30525 affects all versions of Google Chrome prior to 91.0.4472.77.
Can CVE-2021-30525 be exploited by an attacker?
Yes, if a user installs a malicious extension, an attacker can potentially exploit CVE-2021-30525.
What is the impact of CVE-2021-30525?
The impact of CVE-2021-30525 includes potential heap corruption which could lead to arbitrary code execution.
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- canonical/google chrome (trace event)
- canonical/google chrome
- vendor/fedoraproject
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- version/red hat fedora/33
- version/red hat fedora/34