CVE-2021-30552: Use after free in Extensions

Reference Links

• https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop.html (Advisory)
• https://crbug.com/1200679
• 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/

Parent vulnerabilities

(Appears in the following advisories)

• 6244807684233791030

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2021-30544
• CVE-2021-30545
• CVE-2021-30546
• CVE-2021-30547
• CVE-2021-30548
• CVE-2021-30549
• CVE-2021-30550
• CVE-2021-30551
• CVE-2021-30553

Frequently Asked Questions

• What is the severity of CVE-2021-30552?

  CVE-2021-30552 has a high severity rating due to its potential to allow attackers to exploit heap corruption.

• How do I fix CVE-2021-30552?

  To fix CVE-2021-30552, update Google Chrome to version 91.0.4472.101 or later.

• What platforms are affected by CVE-2021-30552?

  CVE-2021-30552 affects Google Chrome on various operating systems, including Fedora versions 33 and 34.

• What type of vulnerability is CVE-2021-30552?

  CVE-2021-30552 is classified as a use-after-free vulnerability in the Extensions component of Google Chrome.

• What could an attacker do with CVE-2021-30552?

  An attacker could exploit CVE-2021-30552 to execute arbitrary code on a victim's machine after convincing them to install a malicious extension.