vulnerability
Arch Linux: Content spoofing (CVE-2021-29987)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:P/I:N/A:N) | Aug 17, 2021 | Jul 11, 2025 | Nov 27, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
Aug 17, 2021
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
A security issue has been found in Firefox and Thunderbird before version 91. After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still record a click in the default location, making it possible to trick a user into accepting a permission they did not want to.
Solution
arch-linux-upgrade-latest
References
- CVE-2021-29987
- https://attackerkb.com/topics/CVE-2021-29987
- URL-https://bugzilla.mozilla.org/show_bug.cgi?id=1716129
- URL-https://security.archlinux.org/ASA-202108-14
- URL-https://security.gentoo.org/glsa/202202-03
- URL-https://www.mozilla.org/security/advisories/mfsa2021-33/
- URL-https://www.mozilla.org/security/advisories/mfsa2021-36/
- CWE-307
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.