CVE-2021-4322: Use after free in DevTools

Reference Links

• https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html (Advisory)
• https://crbug.com/1190550
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PQKT7EGDD2P3L7S3NXEDDRCPK4NNZNWJ/

Parent vulnerabilities

(Appears in the following advisories)

• 7170632646642454608

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2021-30521
• CVE-2021-30522
• CVE-2021-30523
• CVE-2021-30524
• CVE-2021-30525
• CVE-2021-30526
• CVE-2021-30527
• CVE-2021-30528
• CVE-2021-30529
• CVE-2021-30530
• CVE-2021-30531
• CVE-2021-30532
• CVE-2021-30533
• CVE-2021-30534
• CVE-2021-30535
• CVE-2021-30542
• CVE-2021-30543
• CVE-2021-30558
• CVE-2021-30536
• CVE-2021-30537
• CVE-2021-30538
• CVE-2021-30539
• CVE-2021-30540
• CVE-2021-4321

Frequently Asked Questions

• What is CVE-2021-4322?

  CVE-2021-4322 is a vulnerability that allows an attacker to execute arbitrary code in Google Chrome prior to version 91.0.4472.77.

• What is the severity of CVE-2021-4322?

  The severity of CVE-2021-4322 is rated as high with a severity value of 8.8.

• How does CVE-2021-4322 work?

  CVE-2021-4322 is a use-after-free vulnerability in DevTools in Google Chrome that allows an attacker to execute arbitrary code by convincing a user to install a malicious extension.

• Which versions of Google Chrome are affected by CVE-2021-4322?

  Google Chrome versions prior to 91.0.4472.77 are affected by CVE-2021-4322.

• How can CVE-2021-4322 be fixed?

  To fix CVE-2021-4322, users should update their Google Chrome to version 91.0.4472.77 or later.