CVE-2021-23955

Reference Links

• https://bugzilla.mozilla.org/show_bug.cgi?id=1684837
• https://www.mozilla.org/en-US/security/advisories/mfsa2021-03/
• https://www.mozilla.org/security/advisories/mfsa2021-03/

Parent vulnerabilities

(Appears in the following advisories)

• MFSA2021-03

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2021-23953
• CVE-2021-23954
• CVE-2021-23955
• CVE-2021-23956
• CVE-2021-23957
• CVE-2021-23958
• CVE-2021-23959
• CVE-2021-23960
• CVE-2021-23961
• CVE-2021-23962
• CVE-2021-23963
• CVE-2021-23964
• CVE-2021-23965

Frequently Asked Questions

• What is the vulnerability ID for this browser vulnerability?

  The vulnerability ID for this browser vulnerability is CVE-2021-23955.

• What is the title of this vulnerability?

  The title of this vulnerability is 'The browser could have been confused into transferring a pointer lock state into another tab which could have lead to clickjacking attacks.'

• What is the description of this vulnerability?

  The description of this vulnerability is 'The browser could have been confused into transferring a pointer lock state into another tab, which could have lead to clickjacking attacks.'

• What software is affected by this vulnerability?

  The software affected by this vulnerability is Mozilla Firefox up to version 85.

• What is the severity level of this vulnerability?

  The severity level of this vulnerability is high with a severity value of 7.

• How can I fix this vulnerability?

  To fix this vulnerability, update Mozilla Firefox to a version higher than 85.

• Where can I find more information about this vulnerability?

  You can find more information about this vulnerability at the following references: [Bugzilla](https://bugzilla.mozilla.org/show_bug.cgi?id=1684837) and [Mozilla Security Advisories](https://www.mozilla.org/en-US/security/advisories/mfsa2021-03/).