CVE-2021-21106: Use after free in autofill

Reference Links

• https://security-tracker.debian.org/tracker/CVE-2021-21106
• https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop.html (Advisory)
• https://crbug.com/1148749
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VVUWIJKZTZTG6G475OR6PP4WPQBVM6PS/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z6P6AVVFP7B2M4H7TJQBASRZIBLOTUFN/
• https://security.gentoo.org/glsa/202101-05
• https://www.debian.org/security/2021/dsa-4832
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VVUWIJKZTZTG6G475OR6PP4WPQBVM6PS/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z6P6AVVFP7B2M4H7TJQBASRZIBLOTUFN/

Parent vulnerabilities

(Appears in the following advisories)

• 9088041325007791220

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2021-21107
• CVE-2021-21108
• CVE-2021-21109
• CVE-2021-21110
• CVE-2021-21111
• CVE-2021-21112
• CVE-2021-21113
• CVE-2020-16043
• CVE-2021-21114
• CVE-2020-15995
• CVE-2021-21115
• CVE-2021-21116

Frequently Asked Questions

• What is the severity of CVE-2021-21106?

  CVE-2021-21106 has a high severity rating due to its potential for sandbox escape and remote code execution.

• How do I fix CVE-2021-21106?

  To remediate CVE-2021-21106, users should update Google Chrome to version 87.0.4280.141 or later.

• What products are affected by CVE-2021-21106?

  CVE-2021-21106 affects Google Chrome prior to version 87.0.4280.141 and various versions of Chromium.

• Can CVE-2021-21106 be exploited remotely?

  Yes, CVE-2021-21106 can potentially be exploited remotely through a crafted HTML page.

• Is it safe to use unpatched versions of Chrome due to CVE-2021-21106?

  Using unpatched versions of Chrome with CVE-2021-21106 is not safe and exposes users to significant security risks.