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ubuntuUbuntuUSN-4966-2
HistoryMay 25, 2021 - 12:00 a.m.

libx11 vulnerability

2021-05-2500:00:00
ubuntu.com
109

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

9.6 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%

JSON

Releases

  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • libx11 - X11 client-side library

Details

USN-4966-1 fixed a vulnerability in libx11. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

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.

OSVersionArchitecturePackageVersionFilename
Ubuntu16.04noarchlibx11-6< 2:1.6.3-1ubuntu2.2+esm1UNKNOWN
Ubuntu16.04noarchlibx11-6< 2:1.6.3-1ubuntu2.2UNKNOWN
Ubuntu16.04noarchlibx11-6-dbg< 2:1.6.3-1ubuntu2.2UNKNOWN
Ubuntu16.04noarchlibx11-6-dbgsym< 2:1.6.3-1ubuntu2.2UNKNOWN
Ubuntu16.04noarchlibx11-6-udeb< 2:1.6.3-1ubuntu2.2UNKNOWN
Ubuntu16.04noarchlibx11-6-udeb-dbgsym< 2:1.6.3-1ubuntu2.2UNKNOWN
Ubuntu16.04noarchlibx11-data< 2:1.6.3-1ubuntu2.2UNKNOWN
Ubuntu16.04noarchlibx11-dev< 2:1.6.3-1ubuntu2.2UNKNOWN
Ubuntu16.04noarchlibx11-dev-dbgsym< 2:1.6.3-1ubuntu2.2UNKNOWN
Ubuntu16.04noarchlibx11-doc< 2:1.6.3-1ubuntu2.2UNKNOWN
Rows per page:
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Related

nessus 41
debian 3
almalinux 1
openvas 27
cloudfoundry 1
redhat 13
oraclelinux 2
prion 1
redos 13
osv 7
debiancve 1
centos 1
ubuntucve 1
ubuntu 1
gentoo 1
slackware 1
rocky 1
amazon 2
archlinux 1
freebsd 1
mageia 1
alpinelinux 1
redhatcve 1
suse 3
cve 1
fedora 1
ibm 3
packetstorm 1
nessus
nessus
Amazon Linux AMI : libX11 (ALAS-2021-1517)
2021-07-13 00:00:00
NewStart CGSL CORE 5.05 / MAIN 5.05 : libX11 Vulnerability (NS-SA-2022-0042)
2022-05-10 00:00:00
SUSE SLED15 / SLES15 Security Update : libX11 (SUSE-SU-2021:1765-1)
2021-05-27 00:00:00
debian
debian
[SECURITY] [DSA 4920-1] libx11 security update
2021-05-24 07:08:00
[SECURITY] [DLA 2666-1] libx11 security update
2021-05-24 07:01:12
[SECURITY] [DSA 4920-1] libx11 security update
2021-05-24 07:08:00
almalinux
almalinux
Moderate: libX11 security update
2021-11-09 09:01:07
openvas
openvas
Slackware: Security Advisory (SSA:2021-139-01)
2022-04-21 00:00:00
Debian: Security Advisory (DSA-4920-1)
2021-05-25 00:00:00
openSUSE: Security Advisory for libX11 (openSUSE-SU-2021:1897-1)
2021-07-13 00:00:00
cloudfoundry
cloudfoundry
USN-4966-1: libx11 vulnerability | Cloud Foundry
2021-06-11 00:00:00
redhat
redhat
(RHSA-2021:3296) Important: libX11 security update
2021-08-30 07:55:03
(RHSA-2021:4326) Moderate: libX11 security update
2021-11-09 09:01:07
(RHSA-2021:3477) Important: RHV-H security update (redhat-virtualization-host) 4.3.18
2021-09-09 09:04:57
oraclelinux
oraclelinux
libX11 security update
2021-08-30 00:00:00
libX11 security update
2021-11-16 00:00:00
prion
prion
Authorization
2021-05-27 13:15:00
redos
redos
ROS-2-502
2021-09-08 00:00:00
ROS-2-527
2021-09-08 00:00:00
ROS-2-668
2021-09-08 00:00:00
osv
osv
Moderate: libX11 security update
2021-11-09 09:01:07
libx11 - security update
2021-05-24 00:00:00
libx11 - security update
2021-05-24 00:00:00
debiancve
debiancve
CVE-2021-31535
2021-05-27 13:15:00
centos
centos
libX11 security update
2021-08-30 17:31:42
ubuntucve
ubuntucve
CVE-2021-31535
2021-05-18 00:00:00
ubuntu
ubuntu
libx11 vulnerability
2021-05-25 00:00:00
gentoo
gentoo
X.Org X11 library: Denial of service
2021-05-26 00:00:00
slackware
slackware
[slackware-security] libX11
2021-05-19 21:18:57
rocky
rocky
libX11 security update
2021-11-09 09:01:07
amazon
amazon
Important: libX11
2021-07-14 20:38:00
Important: libX11
2021-07-08 18:38:00
archlinux
archlinux
[ASA-202105-12] libx11: insufficient validation
2021-05-19 00:00:00
freebsd
freebsd
libX11 -- Arbitrary code execution
2021-05-11 00:00:00
mageia
mageia
Updated libx11 packages fix a security vulnerability
2021-05-23 04:30:51
alpinelinux
alpinelinux
CVE-2021-31535
2021-05-27 13:15:00
redhatcve
redhatcve
CVE-2021-31535
2021-05-19 00:27:41
suse
suse
Security update for libX11 (important)
2021-06-09 00:00:00
Security update for libX11 (important)
2021-07-11 00:00:00
Security update for libX11 (moderate)
2021-05-29 00:00:00
cve
cve
CVE-2021-31535
2021-05-27 13:15:00
fedora
fedora
[SECURITY] Fedora 33 Update: libX11-1.7.2-3.fc33
2021-08-22 01:02:50
ibm
ibm
Security Bulletin: IBM Security QRadar Event and Flow Exporter App is vulnerable to using components with known vulnerabilities (CVE-2021-31535, CVE-2020-17541)
2022-06-16 18:26:25
Security Bulletin: IBM QRadar Network Security is affected by multiple vulnerabilities (CVE-2020-25648, CVE-2021-31535, CVE-2021-20305, CVE-2020-25692)
2021-11-08 03:57:51
Security Bulletin: Cloud Pak for Security uses packages that are vulnerable to multiple CVEs
2023-03-08 18:05:21
packetstorm
packetstorm
libX11 Insufficient Length Check / Injection
2021-05-21 00:00:00

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

9.6 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%

JSON
Related for USN-4966-2
nessus41debian3almalinux1openvas27cloudfoundry1redhat13oraclelinux2prion1redos13osv7debiancve1centos1ubuntucve1ubuntu1gentoo1slackware1rocky1amazon2archlinux1freebsd1mageia1alpinelinux1redhatcve1suse3cve1fedora1ibm3packetstorm1