CVE-2021-30543: Use after free in Tab Strip
Published Apr 28, 2021
·Updated
Use after free in Tab Strip 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
Khalil Zhani
Affected Software
5 affected componentsFixes available
Google Chrome<91.0.4472.77
91.0.4472.77
Google Chrome<91.0.4472.77
fedoraproject fedora=33
fedoraproject fedora=34
fedoraproject fedora=35
Event History
Apr 28, 2021
CVE Published
12:00 AM
Jun 7, 2021
CVE Published
via MITRE·07:25 PM
Data Sourced
via MITRE·07:25 PM
DescriptionWeakness
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2021-30521
- CVE-2021-30522
- 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-2021-30558
- CVE-2021-30536
- CVE-2021-30537
- CVE-2021-30538
- CVE-2021-30539
- CVE-2021-30540
- CVE-2021-4321
Frequently Asked Questions
1
What is the severity of CVE-2021-30543?
CVE-2021-30543 is classified as a high-severity vulnerability.
2
How do I fix CVE-2021-30543?
To fix CVE-2021-30543, update Google Chrome to version 91.0.4472.77 or later.
3
Which versions of Google Chrome are affected by CVE-2021-30543?
CVE-2021-30543 affects versions of Google Chrome prior to 91.0.4472.77.
4
Can CVE-2021-30543 be exploited remotely?
Yes, CVE-2021-30543 can potentially be exploited remotely via a crafted HTML page.
5
What is a use after free vulnerability like CVE-2021-30543?
A use after free vulnerability, such as CVE-2021-30543, occurs when memory is freed and then still accessed, leading to potential heap corruption.