CVE-2021-43538

CVE Details

Release Date:2021-12-08

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


CVSS v3.0 metrics


NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score: 4.3 Base Metrics: AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Access Vector: Network Attack Complexity: Low
Privileges Required: None User Interaction: Required
Scope: Unchanged Confidentiality Impact: None
Integrity Impact: Low Availability Impact: None

Errata information


PlatformErrataRelease Date
Oracle Linux version 7 (firefox)ELSA-2021-50142021-12-08
Oracle Linux version 7 (thunderbird)ELSA-2021-50462021-12-10
Oracle Linux version 8 (firefox)ELSA-2021-50132021-12-09
Oracle Linux version 8 (thunderbird)ELSA-2021-50452021-12-10



This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team

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