x.org x server vulnerabilities and exploits

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Integer overflow in the build_range function in X.Org X Font Server (xfs) prior to 1.0.5 allows context-dependent malicious users to execute arbitrary code via (1) QueryXBitmaps and (2) QueryXExtents protocol requests with crafted size values, which triggers a heap-based buffer o...

X.org X Font Server 1.0.1 X.org X Font Server 1.0.2 X.org X Font Server 1.0.4

The LockServer function in os/utils.c in X.Org xserver prior to 1.11.2 allows local users to determine the existence of arbitrary files via a symlink attack on a temporary lock file, which is handled differently if the file exists.

X.org X Server X.org X Server 1.11.0

The LockServer function in os/utils.c in X.Org xserver prior to 1.11.2 allows local users to change the permissions of arbitrary files to 444, read those files, and possibly cause a denial of service (removed execution permission) via a symlink attack on a temporary lock file.

X.org X Server X.org X Server 1.11.0

1 EDB exploit1 Github repository

The ProcRenderAddGlyphs function in the Render extension (render/render.c) in X.Org xserver 1.7.7 and previous versions allows local users to read arbitrary memory and possibly cause a denial of service (server crash) via unspecified vectors related to an "input sanitization...

X X.org-xserver X X.org-xserver 1.7.7 X X.org-xserver 1.7.6.902 X X.org-xserver 1.7

Integer overflow in the ProcDbeGetVisualInfo function in the DBE extension for X.Org 6.8.2, 6.9.0, 7.0, and 7.1, and XFree86 X server, allows local users to execute arbitrary code via a crafted X protocol request that triggers memory corruption during processing of unspecified da...

X.org X.org 6.9.0 X.org X.org 7.0 X.org X.org 6.8.2 X.org X.org 7.1 Xfree86 Project Xfree86 X Server

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

X.org X Server X.org X Server 21.1.1 X.org X Server 21.1.0 Fedoraproject Fedora 34 Fedoraproject Fedora 35 Debian Debian Linux 10.0 Debian Debian Linux 11.0

A flaw was found in xorg-x11-server in versions prior to 21.1.2 and prior to 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.

X.org X Server X.org X Server 21.1.1 X.org X Server 21.1.0 Fedoraproject Fedora 34 Fedoraproject Fedora 35 Debian Debian Linux 9.0 Debian Debian Linux 10.0 Debian Debian Linux 11.0

A flaw was found in xorg-x11-server in versions prior to 21.1.2 and prior to 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 availabil...

X.org X Server X.org X Server 21.1.1 X.org X Server 21.1.0 Fedoraproject Fedora 34 Fedoraproject Fedora 35 Debian Debian Linux 9.0 Debian Debian Linux 10.0 Debian Debian Linux 11.0

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

X.org X Server X.org X Server 21.1.1 X.org X Server 21.1.0 Fedoraproject Fedora 34 Fedoraproject Fedora 35 Debian Debian Linux 9.0 Debian Debian Linux 10.0 Debian Debian Linux 11.0

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