CVE-2021-43538
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- CVE-2021-43538
CVE Details
| Release Date: | 2021-12-08 | |
| Impact: | None | What is this? |
Description
By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
See more information about CVE-2021-43538 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 4.3 |
| Vector String: | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
| Version: | 3.0 |
| Attack Vector: | Network |
| Attack Complexity: | Low |
| Privileges Required: | None |
| User Interaction: | Required |
| Scope: | Unchanged |
| Confidentiality Impact: | None |
| Integrity Impact: | Low |
| Availability Impact: | None |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 7 (firefox) | ELSA-2021-5014 | 2021-12-08 |
| Oracle Linux version 7 (thunderbird) | ELSA-2021-5046 | 2021-12-10 |
| Oracle Linux version 8 (firefox) | ELSA-2021-5013 | 2021-12-09 |
| Oracle Linux version 8 (thunderbird) | ELSA-2021-5045 | 2021-12-10 |
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