Ubuntu.comUB:CVE-2021-36773CVE-2021-36773
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.004 Low
EPSS
Percentile
72.5%
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).
Bugs
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | ublock-origin | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | ublock-origin | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | ublock-origin | < any | UNKNOWN |
| ubuntu | 23.10 | noarch | ublock-origin | < any | UNKNOWN |
| ubuntu | 24.04 | noarch | ublock-origin | < any | UNKNOWN |
| ubuntu | 16.04 | noarch | ublock-origin | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | umatrix | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | umatrix | < any | UNKNOWN |
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.004 Low
EPSS
Percentile
72.5%