9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.7 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.136 Low
EPSS
Percentile
95.5%
It was discovered that libx11 incorrectly validated certain parameter
lengths. A remote attacker could possibly use this issue to trick libx11
into emitting extra X protocol requests.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Ubuntu | 21.04 | noarch | libx11-6 | < 2:1.7.0-2ubuntu0.1 | UNKNOWN |
Ubuntu | 21.04 | noarch | libx11-6-dbgsym | < 2:1.7.0-2ubuntu0.1 | UNKNOWN |
Ubuntu | 21.04 | noarch | libx11-data | < 2:1.7.0-2ubuntu0.1 | UNKNOWN |
Ubuntu | 21.04 | noarch | libx11-dev | < 2:1.7.0-2ubuntu0.1 | UNKNOWN |
Ubuntu | 21.04 | noarch | libx11-doc | < 2:1.7.0-2ubuntu0.1 | UNKNOWN |
Ubuntu | 21.04 | noarch | libx11-xcb-dev | < 2:1.7.0-2ubuntu0.1 | UNKNOWN |
Ubuntu | 21.04 | noarch | libx11-xcb1 | < 2:1.7.0-2ubuntu0.1 | UNKNOWN |
Ubuntu | 21.04 | noarch | libx11-xcb1-dbgsym | < 2:1.7.0-2ubuntu0.1 | UNKNOWN |
Ubuntu | 20.10 | noarch | libx11-6 | < 2:1.6.12-1ubuntu0.1 | UNKNOWN |
Ubuntu | 20.10 | noarch | libx11-6-dbgsym | < 2:1.6.12-1ubuntu0.1 | UNKNOWN |
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.7 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.136 Low
EPSS
Percentile
95.5%