CVE-2021-36773

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Source
https://cve.org/CVERecord?id=CVE-2021-36773
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-36773.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-36773
Downstream
Published
2021-07-18T04:15:08.110Z
Modified
2026-05-18T05:53:06.267290554Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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).

Database specific 
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "last_affected": "9.0"
                }
            ],
            "source": "CPE_FIELD",
            "vendor_product": "debian:debian_linux"
        },
        {
            "cpes": [
                "cpe:2.3:a:sciruby:nmatrix:*:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "fixed": "4.4.9"
                }
            ],
            "source": "CPE_FIELD",
            "vendor_product": "sciruby:nmatrix"
        }
    ]
}
References

Affected packages

Git / github.com/gorhill/ublock

Affected ranges

Type
GIT
Repo
https://github.com/gorhill/ublock
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
8b5733a58d3acf9fb62815e14699c986bd1c2fdc
Database specific 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.36.2"
        }
    ],
    "source": "CPE_FIELD",
    "cpe": "cpe:2.3:a:ublockorigin:ublock_origin:*:*:*:*:*:*:*:*"
}

Affected versions

0.*
0.1.0.2
0.2.0.0
0.2.0.1
0.2.1.0
0.2.1.1
0.2.1.2
0.2.2.0
0.2.2.1
0.2.3.0
0.2.3.1
0.2.3.2
0.2.3.3
0.2.3.4
0.2.3.5
0.3.0.0
0.3.0.1
0.3.0.2
0.3.1.0
0.3.1.1
0.3.1.2
0.3.1.3
0.3.2.0
0.3.2.1
0.3.2.2
0.3.2.3
0.4.0.0
0.4.0.1
0.5.0.0
0.5.0.1
0.5.1.0
0.5.2.0
0.5.3.0
0.5.5.0
0.5.5.1
0.5.5.2
0.5.6.0
0.6.0.0
0.6.0.1
0.6.1.0
0.6.2.0
0.6.3.0
0.6.3.1
0.6.3.2
0.6.3.3
0.6.4.0
0.6.5.0
0.6.6.0
0.7.0.0
0.7.0.1
0.7.0.10
0.7.0.11
0.7.0.2
0.7.0.3
0.7.0.4
0.7.0.5
0.7.0.6
0.7.0.7
0.7.0.8
0.7.0.9
0.7.2.0
0.7.2.1
0.8.1.2
0.8.2.0
0.8.2.1
0.8.2.2
0.8.2.3
0.8.5.0
0.8.5.1
0.8.5.2
0.8.5.3
0.8.5.4-beta.0
0.8.5.5
0.8.5.6
0.8.6.0
0.8.7.0
0.8.8.0
0.8.8.1
0.8.8.2
0.8.8.3
0.8.8.4
0.8.9.0
0.8.9.1
0.9.0.0
0.9.1.0
0.9.2.0
0.9.2.1
0.9.3.0
0.9.4.0
0.9.4.1
0.9.4.2
0.9.4.3
0.9.4.4
0.9.4.5
0.9.5.0
0.9.6.0
0.9.7.0
0.9.7.5
0.9.8.0
0.9.8.1
0.9.8.2
0.9.8.3
0.9.8.5
0.9.8.6
0.9.9.0
0.9.9.1
0.9.9.2
1.*
1.0.0.0
1.0.0.1
1.1.0.0
1.1.0.1
1.1.1
1.10.0
1.10.2
1.11.0
1.11.2
1.12.0
1.12.1
1.13.0
1.13.10
1.13.2
1.13.4
1.13.8
1.14.0
1.14.12
1.14.14
1.14.20
1.14.22
1.14.4
1.14.6
1.14.8
1.15.0
1.15.12
1.15.14
1.15.16
1.15.18
1.15.2
1.15.20
1.15.22
1.15.24
1.15.4
1.16.0
1.16.10
1.16.12
1.16.14
1.16.2
1.16.4
1.16.6
1.17.0
1.17.4
1.18.0
1.18.10
1.18.12
1.18.14
1.18.16
1.18.2
1.18.4
1.18.6
1.18.8
1.19.0
1.2.0
1.2.1
1.20.0
1.21.0
1.22.0
1.23.0
1.24.0
1.25.0
1.25.2
1.26.0
1.27.0
1.28.0
1.29.0
1.3.0
1.3.1
1.3.2
1.3.3
1.3.4
1.30.0
1.31.0
1.32.0
1.33.0
1.34.0
1.35.0
1.35.2
1.36.0
1.4.0
1.5.0
1.5.1
1.5.3
1.6.0
1.6.1
1.6.2
1.6.3
1.6.4
1.6.6
1.6.8
1.7.0
1.7.2
1.7.4
1.7.6
1.8.0
1.9.0
1.9.12
1.9.16
1.9.2
1.9.4
1.9.6
1.9.8

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-36773.json"

Git / github.com/gorhill/umatrix

Affected ranges

Type
GIT
Repo
https://github.com/gorhill/umatrix
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
be3990e24e39f46a22dadb247028bae75621d75d
Database specific 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.4.2"
        }
    ],
    "source": "CPE_FIELD",
    "cpe": "cpe:2.3:a:umatrix_project:umatrix:*:*:*:*:*:*:*:*"
}

Affected versions

0.*
0.8.0.0
0.8.0.0-alpha.10
0.8.0.0-alpha.11
0.8.0.0-alpha.14
0.8.0.0-alpha.15
0.8.0.0-alpha.16
0.8.0.0-alpha.17
0.8.0.0-alpha.18
0.8.0.0-alpha.19
0.8.0.0-alpha.2
0.8.0.0-alpha.3
0.8.0.0-alpha.4
0.8.0.0-alpha.6
0.8.0.0-alpha.7
0.8.0.0-alpha.8
0.8.0.0-alpha.9
0.8.0.0-rc.0
0.8.0.0-rc.1
0.8.0.0-rc.2
0.8.0.1
0.8.1.0
0.8.1.1
0.8.1.3
0.8.1.4
0.9.0.0
0.9.0.1
0.9.1.0
0.9.1.1
0.9.1.2
0.9.2.0
0.9.2.1
0.9.3.0
0.9.3.1
0.9.3.3
0.9.3.4
0.9.3.6
1.*
1.0.0
1.1.0
1.1.10
1.1.12
1.1.14
1.1.16
1.1.18
1.1.20
1.1.4
1.1.6
1.1.8
1.2.0
1.3.0
1.3.10
1.3.12
1.3.14
1.3.16
1.3.2
1.3.4
1.3.6
1.3.8
1.4.0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-36773.json"