vulnerability
Arch Linux: Denial of service (CVE-2021-36773)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Jul 18, 2021 | Jul 11, 2025 | Nov 27, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Jul 18, 2021
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
uBlock Origin before 1.36.2 supports an arbitrary depth of parameter nesting for strict blocking, which allows crafted web sites to cause a denial of service (unbounded recursion that can trigger memory consumption and a loss of all blocking functionality).
Solution
arch-linux-upgrade-latest
References
- CVE-2021-36773
- https://attackerkb.com/topics/CVE-2021-36773
- URL-https://github.com/vtriolet/writings/blob/main/posts/2021/ublock_origin_and_umatrix_denial_of_service.adoc
- URL-https://lists.debian.org/debian-lts-announce/2022/06/msg00024.html
- URL-https://news.ycombinator.com/item?id=27833752
- URL-https://security.archlinux.org/ASA-202107-38
- CWE-674
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