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ubuntucveUbuntu.comUB:CVE-2021-4008
HistoryDec 14, 2021 - 12:00 a.m.

CVE-2021-4008

2021-12-1400:00:00
ubuntu.com
ubuntu.com
14

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
SProcRenderCompositeGlyphs 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-14192
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:
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nessus
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SUSE SLES15 Security Update : xorg-x11-server (SUSE-SU-2021:4071-1)
2021-12-15 00:00:00
SUSE SLES15 Security Update : xorg-x11-server (SUSE-SU-2021:4065-1)
2021-12-15 00:00:00
SUSE SLED15 / SLES15 Security Update : xorg-x11-server (SUSE-SU-2021:4070-1)
2021-12-15 00:00:00
openvas
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SUSE: Security Advisory (SUSE-SU-2021:4069-1)
2021-12-15 00:00:00
SUSE: Security Advisory (SUSE-SU-2021:4064-1)
2021-12-15 00:00:00
openSUSE: Security Advisory for xorg-x11-server (openSUSE-SU-2021:1587-1)
2022-02-01 00:00:00
cvelist
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CVE-2021-4008
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2021-12-17 17:15:13
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xorg-x11-server out-of-bounds access vulnerability
2021-12-20 00:00:00
cve
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2021-12-17 17:15:13
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Denial Of Service (DoS)
2021-12-15 19:36:15
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Out-of-bounds
2021-12-17 17:15:00
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CVE-2021-4008
2021-12-15 14:50:19
zdi
zdi
X.Org Server SProcRenderCompositeGlyphs Out-Of-Bounds Access Privilege Escalation Vulnerability
2021-12-21 00:00:00
debiancve
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CVE-2021-4008
2021-12-17 17:15:13
suse
suse
Security update for xorg-x11-server (important)
2021-12-14 00:00:00
Security update for xorg-x11-server (important)
2021-12-15 00:00:00
alpinelinux
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CVE-2021-4008
2021-12-17 17:15:13
osv
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2021-12-17 17:15:13
xorg-server vulnerabilities
2022-01-26 14:06:56
xorg-server - security update
2021-12-29 00:00:00
ubuntu
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X.Org X Server vulnerabilities
2023-07-27 00:00:00
X.Org X Server vulnerabilities
2022-01-26 00:00:00
X.Org X Server vulnerabilities
2021-12-14 00:00:00
debian
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[SECURITY] [DLA 2869-1] xorg-server security update
2021-12-29 22:07:22
[SECURITY] [DSA 5027-1] xorg-server security update
2021-12-21 20:01:06
slackware
slackware
[slackware-security] xorg-server
2021-12-16 21:47:31
altlinux
altlinux
Security fix for the ALT Linux 10 package xorg-server version 2:1.20.13-alt5
2021-12-24 00:00:00
fedora
fedora
[SECURITY] Fedora 35 Update: xorg-x11-server-Xwayland-21.1.4-1.fc35
2021-12-18 01:23:08
[SECURITY] Fedora 34 Update: xorg-x11-server-Xwayland-21.1.4-1.fc34
2021-12-31 01:34:51
[SECURITY] Fedora 34 Update: xorg-x11-server-1.20.14-1.fc34
2022-01-02 01:07:20
oraclelinux
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xorg-x11-server security update
2022-01-04 00:00:00
xorg-x11-server and xorg-x11-server-Xwayland security update
2022-05-17 00:00:00
mageia
mageia
Updated x11-server packages fix security vulnerabilities
2021-12-22 02:27:37
redhat
redhat
(RHSA-2022:0003) Important: xorg-x11-server security update
2022-01-03 07:30:57
(RHSA-2022:1917) Moderate: xorg-x11-server and xorg-x11-server-Xwayland security update
2022-05-10 08:07:43
redos
redos
ROS-20220112-01
2022-01-12 00:00:00
centos
centos
xorg security update
2022-01-04 19:22:29
rocky
rocky
xorg-x11-server and xorg-x11-server-Xwayland security update
2022-05-10 08:07:43
almalinux
almalinux
Moderate: xorg-x11-server and xorg-x11-server-Xwayland security update
2022-05-10 00:00:00
amazon
amazon
Important: xorg-x11-server
2022-01-18 21:38:00
gentoo
gentoo
X.Org X server, XWayland: Multiple Vulnerabilities
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-2021-4008
nessus36openvas28cvelist1nvd1cnvd1cve1veracode1prion1redhatcve1zdi1debiancve1suse2alpinelinux1osv8ubuntu3debian2slackware1altlinux1fedora4oraclelinux2mageia1redhat2redos1centos1rocky1almalinux1amazon1gentoo1