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ubuntucveUbuntu.comUB:CVE-2021-4009
HistoryDec 14, 2021 - 12:00 a.m.

CVE-2021-4009

2021-12-1400:00:00
ubuntu.com
ubuntu.com
7

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

0.0005 Low

EPSS

Percentile

18.1%

JSON

A flaw was found in xorg-x11-server in versions before 21.1.2 and before
1.20.14. An out-of-bounds access can occur in the
SProcXFixesCreatePointerBarrier function. The highest threat from this
vulnerability is to data confidentiality and integrity as well as system
availability.

Notes

Author Note
mdeslaur xorg server is actually the xorg-server package the xorg package only contains docs xwayland package contains parts of xorg-server This is ZDI-CAN 14950
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchxorg-server< 2:1.19.6-1ubuntu4.10UNKNOWN
ubuntu20.04noarchxorg-server< 2:1.20.13-1ubuntu1~20.04.2UNKNOWN
ubuntu21.04noarchxorg-server< 2:1.20.11-1ubuntu1.2UNKNOWN
ubuntu21.10noarchxorg-server< 2:1.20.13-1ubuntu1.1UNKNOWN
ubuntu22.04noarchxorg-server< 2:1.20.13-1ubuntu2UNKNOWN
ubuntu22.10noarchxorg-server< 2:1.20.13-1ubuntu2UNKNOWN
ubuntu23.04noarchxorg-server< 2:1.20.13-1ubuntu2UNKNOWN
ubuntu14.04noarchxorg-server< 2:1.15.1-0ubuntu2.11+esm5UNKNOWN
ubuntu16.04noarchxorg-server< 2:1.18.4-0ubuntu0.12+esm1UNKNOWN
ubuntu16.04noarchxorg-server-hwe-16.04< 2:1.19.6-1ubuntu4.1~16.04.6+esm5UNKNOWN
Rows per page:
1-10 of 161

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oraclelinux
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2022-01-04 00:00:00
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Updated x11-server packages fix security vulnerabilities
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(RHSA-2022:0003) Important: xorg-x11-server security update
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redos
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2023-05-30 00:00:00

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

0.0005 Low

EPSS

Percentile

18.1%

JSON
Related for UB:CVE-2021-4009
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