Use after free in Network Internals in Google Chrome on Linux prior to 89.0.4389.72 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-21179
• https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html
• https://crbug.com/1174943
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/
• https://security.gentoo.org/glsa/202104-08
• https://www.debian.org/security/2021/dsa-4886