CVE-2021-30523: Use after free in WebRTC
First published: Sat Mar 13 2021(Updated: )
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: chrome-cve-admin@google.com Tolyan Korniltsev
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Chrome (Trace Event) | <91.0.4472.77 | 91.0.4472.77 |
| Google Chrome (Trace Event) | <91.0.4472.77 | |
| Fedora | =33 | |
| Fedora | =34 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html (Advisory)
- https://crbug.com/1187797
- 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-2021-30524
- 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.
- agent/type
- agent/weakness
- agent/remedy
- agent/description
- agent/title
- agent/author
- agent/severity
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/last-modified-date
- agent/event
- agent/trending
- agent/source
- agent/tags
- agent/softwarecombine
- collector/chrome-releases
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- collector/nvd-index
- vendor/google
- canonical/google chrome (trace event)
- vendor/fedoraproject
- canonical/fedora
- version/fedora/33
- version/fedora/34