CVE-2022-2621: Use after free in Extensions

Reference Links

• https://chromereleases.googleblog.com/2022/08/stable-channel-update-for-desktop.html (Advisory)
• https://crbug.com/1323449
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T4NMJURTG5RO3TGD7ZMIQ6Z4ZZ3SAVYE/
• https://security.gentoo.org/glsa/202208-35
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4NMJURTG5RO3TGD7ZMIQ6Z4ZZ3SAVYE/

Parent vulnerabilities

(Appears in the following advisories)

• 849835485002254358

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2022-2603
• CVE-2022-2604
• CVE-2022-2605
• CVE-2022-2606
• CVE-2022-2607
• CVE-2022-2608
• CVE-2022-2609
• CVE-2022-2742
• CVE-2022-2743
• CVE-2022-2610
• CVE-2022-2611
• CVE-2022-2612
• CVE-2022-2613
• CVE-2022-2614
• CVE-2022-4914
• CVE-2022-2615
• CVE-2022-2616
• CVE-2022-2617
• CVE-2022-2618
• CVE-2022-2619
• CVE-2022-2620
• CVE-2022-2622
• CVE-2022-2623
• CVE-2022-2624

Frequently Asked Questions

• What is the vulnerability ID of this vulnerability?

  The vulnerability ID of this vulnerability is CVE-2022-2621.

• What is the severity of CVE-2022-2621?

  The severity of CVE-2022-2621 is high, with a CVSS score of 8.8.

• Which software versions are affected by CVE-2022-2621?

  Versions of Google Chrome prior to 104.0.5112.79 and Fedora 37 are affected by CVE-2022-2621.

• How can an attacker exploit CVE-2022-2621?

  An attacker can exploit CVE-2022-2621 by convincing a user to install a malicious extension and exploiting heap corruption via specific UI interactions.

• Are there any references for CVE-2022-2621?

  Yes, you can find references for CVE-2022-2621 at the following links: [link1](https://chromereleases.googleblog.com/2022/08/stable-channel-update-for-desktop.html), [link2](https://crbug.com/1323449), [link3](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T4NMJURTG5RO3TGD7ZMIQ6Z4ZZ3SAVYE/).