ALT-PU-2021-2219-1
Package firefox-ublock_origin updated to version 1.36.2-alt1 for branch sisyphus in task 278688.
Closed vulnerabilities
Published: 2021-07-18
Modified: 2024-11-21
Modified: 2024-11-21
CVE-2021-36773
uBlock Origin before 1.36.2 and nMatrix before 4.4.9 support 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).
Severity: HIGH (7.5)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References:
- https://github.com/vtriolet/writings/blob/main/posts/2021/ublock_origin_and_umatrix_denial_of_service.adoc
- https://github.com/vtriolet/writings/blob/main/posts/2021/ublock_origin_and_umatrix_denial_of_service.adoc
- [debian-lts-announce] 20220629 [SECURITY] [DLA 3062-1] ublock-origin security update
- [debian-lts-announce] 20220629 [SECURITY] [DLA 3062-1] ublock-origin security update
- https://news.ycombinator.com/item?id=27833752
- https://news.ycombinator.com/item?id=27833752