{"action":"Upgrade ublock-origin to 1.37.0+dfsg-1 or later.","affected":[{"fixed":"1.37.0+dfsg-1","introduced":"0"}],"component":"ublock-origin","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.37.0+dfsg-1"],"id":"tcs_01M5NFTT2PRSTN563BACBS9TDA","modified_at":"2026-10-23T18:03:50.343587044Z","published_at":"2021-07-18T04:15:08.110Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-36773","https://security-tracker.debian.org/tracker/CVE-2021-36773"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-36773#Debian:14/ublock-origin","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-36773"}],"summary":"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 recursi"}