CVE-2021-30523: Use after free in WebRTC
Use after free in WebRTC in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to potentially exploit heap corruption via a crafted SCTP packet.
Credit
Affected Software
Remediation
Patch Available
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2021-30521
- CVE-2021-30522
- 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-2021-30523?
CVE-2021-30523 is classified as a high severity vulnerability due to its potential for exploitation and the risks associated with heap corruption.
How do I fix CVE-2021-30523?
To fix CVE-2021-30523, upgrade Google Chrome to version 91.0.4472.77 or later.
Who is affected by CVE-2021-30523?
CVE-2021-30523 affects users of Google Chrome versions prior to 91.0.4472.77 and certain versions of Fedora including 33 and 34.
What is the impact of CVE-2021-30523?
The impact of CVE-2021-30523 includes potential remote code execution via crafted SCTP packets, leading to compromised systems.
When was CVE-2021-30523 disclosed?
CVE-2021-30523 was disclosed as part of a series of updates in May 2021.