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libX11: missing request length checks

🗓️ 09 Nov 2021 18:20:52Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 10 Views

Flaw in the X window system library allows command injection and possible authentication bypass.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ibm
IBM Security Bulletins		Security Bulletin: LookupCol.c in X.Org X through X11R7.7 and libX11 before 1.7.1 might allow remote attackers to execute arbitrary code, affect watsonx.data
16 Jun 202505:33
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to multiple Base OS issues
19 Jun 202517:28
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM QRadar Network Security is affected by multiple vulnerabilities (CVE-2020-25648, CVE-2021-31535, CVE-2021-20305, CVE-2020-25692)
8 Nov 202103:57
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM Security QRadar Event and Flow Exporter App is vulnerable to using components with known vulnerabilities (CVE-2021-31535, CVE-2020-17541)
16 Jun 202218:26
–ibm
freebsd
FreeBSD		libX11 -- Arbitrary code execution
11 May 202100:00
–freebsd
attackerkb
ATTACKERKB		CVE-2021-31535
27 May 202113:15
–attackerkb
nessus
Tenable Nessus		Amazon Linux 2 : libX11 (ALAS-2021-1686)
16 Jul 202100:00
–nessus
nessus
Tenable Nessus		Amazon Linux AMI : libX11 (ALAS-2021-1517)
13 Jul 202100:00
–nessus
nessus
Tenable Nessus		AlmaLinux 8 : libX11 (ALSA-2021:4326)
9 Feb 202200:00
–nessus
nessus
Tenable Nessus		CentOS 8 : libX11 (CESA-2021:4326)
11 Nov 202100:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64libx111.6.8-5.el8libx11-1.6.8-5.el8.aarch64.rpm
Red Hat Enterprise Linux8i686libx111.6.8-5.el8libx11-1.6.8-5.el8.i686.rpm
Red Hat Enterprise Linux8ppc64lelibx111.6.8-5.el8libx11-1.6.8-5.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xlibx111.6.8-5.el8libx11-1.6.8-5.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64libx111.6.8-5.el8libx11-1.6.8-5.el8.x86_64.rpm
Red Hat Enterprise Linux8noarchlibx11-common1.6.8-5.el8libx11-common-1.6.8-5.el8.noarch.rpm
Red Hat Enterprise Linux8aarch64libx11-debuginfo1.6.8-5.el8libx11-debuginfo-1.6.8-5.el8.aarch64.rpm
Red Hat Enterprise Linux8i686libx11-debuginfo1.6.8-5.el8libx11-debuginfo-1.6.8-5.el8.i686.rpm
Red Hat Enterprise Linux8ppc64lelibx11-debuginfo1.6.8-5.el8libx11-debuginfo-1.6.8-5.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xlibx11-debuginfo1.6.8-5.el8libx11-debuginfo-1.6.8-5.el8.s390x.rpm
Rows per page

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28 Jun 2026 12:35Current
7.7High risk
Vulners AI Score7.7
CVSS 27.5
CVSS 3.19.8
EPSS0.10634
CWE-130
window system librarycommand injectionauthentication bypassvulnerability
10