Use after free in extensions in Google Chrome prior to 83.0.4103.116 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.

References

• https://nvd.nist.gov/vuln/detail/CVE-2020-6509
• https://chromereleases.googleblog.com/2020/06/stable-channel-update-for-desktop_22.html
• https://crbug.com/1092308
• https://security.gentoo.org/glsa/202007-08
• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00040.html