CVE-2021-4099: Use after free in Swiftshader

Reference Links

• https://chromereleases.googleblog.com/2021/12/stable-channel-update-for-desktop_13.html (Advisory)
• https://crbug.com/1270658
• https://security-tracker.debian.org/tracker/CVE-2021-4099

Parent vulnerabilities

(Appears in the following advisories)

• 1169691578072612224

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2021-4098
• CVE-2021-4100
• CVE-2021-4101
• CVE-2021-4102

Frequently Asked Questions

• What is CVE-2021-4099?

  CVE-2021-4099 is a vulnerability in Swiftshader in Google Chrome that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page.

• How does CVE-2021-4099 impact Google Chrome?

  CVE-2021-4099 can lead to a use-after-free vulnerability in Swiftshader, which may allow a remote attacker to execute arbitrary code or cause a denial-of-service condition in Google Chrome.

• What versions of Google Chrome are affected by CVE-2021-4099?

  Google Chrome versions prior to 96.0.4664.110 are affected by CVE-2021-4099.

• How can I fix CVE-2021-4099 in Google Chrome?

  To fix CVE-2021-4099, you should update your Google Chrome to version 96.0.4664.110 or later.

• Where can I find more information about CVE-2021-4099?

  You can find more information about CVE-2021-4099 on the Debian security tracker website at https://security-tracker.debian.org/tracker/CVE-2021-4099.