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x.org x server - vulnerabilities and exploits
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9.8
CVSSv3
CVE-2023-6816
A flaw was found in X.Org server. Both DeviceFocusEvent and the XIQueryPointer reply contain a bit for each logical button currently down. Buttons can be arbitrarily mapped to any value up to 255, but the X.Org Server was only allocating space for the device's particular num...
X.org Xwayland
X.org Xorg-server
Fedoraproject Fedora 39
Redhat Enterprise Linux Desktop 7.0
Redhat Enterprise Linux Workstation 7.0
Redhat Enterprise Linux Server 7.0
Debian Debian Linux 10.0
9.8
CVSSv3
CVE-2021-31535
LookupCol.c in X.Org X through X11R7.7 and libX11 prior to 1.7.1 might allow remote malicious users to execute arbitrary code. The libX11 XLookupColor request (intended for server-side color lookup) contains a flaw allowing a client to send color-name requests with a name longer ...
X.org X Window System
X.org Libx11
Fedoraproject Fedora 33
6 Github repositories
9.8
CVSSv3
CVE-2018-14599
An issue exists in libX11 up to and including 1.6.5. The function XListExtensions in ListExt.c is vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspecified other impact.
X.org Libx11
Debian Debian Linux 8.0
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 12.04
Canonical Ubuntu Linux 18.04
Fedoraproject Fedora 28
Redhat Enterprise Linux Desktop 7.0
Redhat Enterprise Linux Workstation 7.0
Redhat Enterprise Linux Server 7.0
9.8
CVSSv3
CVE-2018-14600
An issue exists in libX11 up to and including 1.6.5. The function XListExtensions in ListExt.c interprets a variable as signed instead of unsigned, resulting in an out-of-bounds write (of up to 128 bytes), leading to DoS or remote code execution.
X.org Libx11
Debian Debian Linux 8.0
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 12.04
Canonical Ubuntu Linux 18.04
9.8
CVSSv3
CVE-2017-12176
xorg-x11-server prior to 1.19.5 was missing extra length validation in ProcEstablishConnection function allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Debian Debian Linux 8.0
Debian Debian Linux 9.0
X.org Xorg-server
9.8
CVSSv3
CVE-2017-12178
xorg-x11-server prior to 1.19.5 had wrong extra length check in ProcXIChangeHierarchy function allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Debian Debian Linux 8.0
Debian Debian Linux 9.0
X.org Xorg-server
9.8
CVSSv3
CVE-2017-12180
xorg-x11-server prior to 1.19.5 was missing length validation in XFree86 VidModeExtension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Debian Debian Linux 8.0
Debian Debian Linux 9.0
X.org Xorg-server
9.8
CVSSv3
CVE-2017-12181
xorg-x11-server prior to 1.19.5 was missing length validation in XFree86 DGA extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Debian Debian Linux 8.0
Debian Debian Linux 9.0
X.org Xorg-server
9.8
CVSSv3
CVE-2017-12182
xorg-x11-server prior to 1.19.5 was missing length validation in XFree86 DRI extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Debian Debian Linux 8.0
Debian Debian Linux 9.0
X.org Xorg-server
9.8
CVSSv3
CVE-2017-12184
xorg-x11-server prior to 1.19.5 was missing length validation in XINERAMA extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Debian Debian Linux 8.0
Debian Debian Linux 9.0
X.org Xorg-server
CVSSv3
CVSSv2
CVSSv3
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