CVE-2023-4076: Use after free in WebRTC

Published Jun 29, 2023
·
Updated

Chromium: CVE-2023-4076 Use after free in WebRTC

Other sources

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

Use after free in WebRTC in Google Chrome prior to 115.0.5790.170 allowed a remote attacker to potentially exploit heap corruption via a crafted WebRTC session. (Chromium security severity: High)

Credit

Natalie Silvanovich(Google Project Zero)

Affected Software

11 affected componentsFixes available
debian/chromium<=90.0.4430.212-1~deb10u1
116.0.5845.180-1~deb11u1120.0.6099.129-1~deb11u1119.0.6045.199-1~deb12u1120.0.6099.129-1~deb12u1120.0.6099.129-1
Microsoft Edge (Chromium-based)
Patch available
Microsoft Edge<115.0.1901.200
Google Chrome<115.0.5790.170
115.0.5790.170
Google Chrome<115.0.5790.170
alpine/qt5-qtwebengine<5.15.13-r5
5.15.13-r5
alpine/qt5-qtwebengine<5.15.14-r7
5.15.14-r7
alpine/qt5-qtwebengine<5.15.14-r7
5.15.14-r7
alpine/qt5-qtwebengine<5.15.14-r7
5.15.14-r7
alpine/qt5-qtwebengine<5.15.14-r7
5.15.14-r7
alpine/qt5-qtwebengine<5.15.14-r7
5.15.14-r7

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 116.0.5845.180-1~deb11u1Fixed in 120.0.6099.129-1~deb11u1Fixed in 119.0.6045.199-1~deb12u1Fixed in 120.0.6099.129-1~deb12u1Fixed in 120.0.6099.129-1
  2. Upgrade

    Upgrade Google Chrome (Trace Event) to a version that resolves this vulnerability.

    Fixed in 115.0.5790.170
  3. Upgrade

    Upgrade alpine/qt5-qtwebengine to a version that resolves this vulnerability.

    Fixed in 5.15.13-r5
  4. Upgrade

    Upgrade alpine/qt5-qtwebengine to a version that resolves this vulnerability.

    Fixed in 5.15.14-r7
  5. Upgrade

    Upgrade Google Chrome to a version that resolves this vulnerability.

    Fixed in 115.0.5790.170

Event History

Jun 29, 2023
CVE Published
12:00 AM
Aug 3, 2023
CVE Published
via MITRE·12:27 AM
Data Sourced
via MITRE·12:27 AM
DescriptionWeakness
Data Sourced
via NVD·01:15 AM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·01:15 AM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2023-4076?

CVE-2023-4076 has been classified with a high severity due to a use-after-free vulnerability.

2

How do I fix CVE-2023-4076?

To resolve CVE-2023-4076, update your Chromium-based browser to the latest version as recommended.

3

Which versions are affected by CVE-2023-4076?

CVE-2023-4076 affects Google Chrome versions prior to 115.0.5790.170 and various versions of Microsoft Edge and Chromium.

4

Is Microsoft Edge vulnerable to CVE-2023-4076?

Yes, Microsoft Edge (Chromium-based) is vulnerable if it is running a version prior to the fixed release.

5

What platforms are impacted by CVE-2023-4076?

CVE-2023-4076 impacts any platform or operating system running affected versions of Google Chrome, Microsoft Edge, or Debian Chromium.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203