X Security Vulnerabilities
A single byte overflow in catalogue.c in X.Org libXfont 1.3.1 allows remote attackers to have unspecified impact.
9.8CVSS
9.7AI Score
0.008EPSS
The (1) SProcRecordCreateContext and (2) SProcRecordRegisterClients functions in the Record extension and the (3) SProcSecurityGenerateAuthorization function in the Security extension in the X server 1.4 in X.Org X11R7.3 allow context-dependent attackers to execute arbitrary code via requests with ...
7.8AI Score
0.005EPSS
Integer overflow in the fbShmPutImage function in the MIT-SHM extension in the X server 1.4 in X.Org X11R7.3 allows context-dependent attackers to read arbitrary process memory via crafted values for a Pixmap width and height.
7.6AI Score
0.003EPSS
Integer overflow in the AllocateGlyph function in the Render extension in the X server 1.4 in X.Org X11R7.3 allows context-dependent attackers to execute arbitrary code via unspecified request fields that are used to calculate a heap buffer size, which triggers a heap-based buffer overflow.
8.1AI Score
0.005EPSS
Multiple integer overflows in the Render extension in the X server 1.4 in X.Org X11R7.3 allow context-dependent attackers to execute arbitrary code via a (1) SProcRenderCreateLinearGradient, (2) SProcRenderCreateRadialGradient, or (3) SProcRenderCreateConicalGradient request with an invalid field s...
7.7AI Score
0.018EPSS
The fbComposite function in fbpict.c in the Render extension in the X server in X.Org X11R7.1 allows remote authenticated users to cause a denial of service (memory corruption and daemon crash) or possibly execute arbitrary code via a crafted request, related to an incorrect macro definition.
7.6AI Score
0.009EPSS
The ProcRenderAddGlyphs function in the Render extension (render/render.c) in X.Org xserver 1.7.7 and earlier allows local users to read arbitrary memory and possibly cause a denial of service (server crash) via unspecified vectors related to an "input sanitization flaw."
6.1AI Score
0.0004EPSS
xrdb.c in xrdb before 1.0.9 in X.Org X11R7.6 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a (1) DHCP or (2) XDMCP message.
9.6AI Score
0.022EPSS
The LZW decompressor in (1) the BufCompressedFill function in fontfile/decompress.c in X.Org libXfont before 1.4.4 and (2) compress/compress.c in 4.3BSD, as used in zopen.c in OpenBSD before 3.8, FreeBSD, NetBSD 4.0.x and 5.0.x before 5.0.3 and 5.1.x before 5.1.1, FreeType 2.1.9, and other products...
7.3AI Score
0.103EPSS
xkeyboard-config before 2.5 in X.Org before 7.6 enables certain XKB debugging functions by default, which allows physically proximate attackers to bypass an X screen lock via keyboard combinations that break the input grab.
6.3AI Score
0.002EPSS
The ProcSetEventMask function in difs/events.c in the xfs font server for X.Org X11R6 through X11R6.6 and XFree86 before 3.3.3 calls the SendErrToClient function with a mask value instead of a pointer, which allows local users to cause a denial of service (memory corruption and crash) or obtain pot...
6.4AI Score
0.0004EPSS
X.Org X server before 1.13.4 and 1.4.x before 1.14.1 does not properly restrict access to input events when adding a new hot-plug device, which might allow physically proximate attackers to obtain sensitive information, as demonstrated by reading passwords from a tty.
6AI Score
0.001EPSS
Multiple integer overflows in X.org libX11 1.5.99.901 (1.6 RC1) and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) XQueryFont, (2) _XF86BigfontQueryFont, (3) XListFontsWithInfo, (4) XGetMotionEvents, (5) XListHosts, (6) XGet...
8.5AI Score
0.005EPSS
Multiple integer overflows in X.org libXext 1.3.1 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) XcupGetReservedColormapEntries, (2) XcupStoreColors, (3) XdbeGetVisualInfo, (4) XeviGetVisualInfo, (5) XShapeGetRectangles,...
9.2AI Score
0.004EPSS
Integer overflow in X.org libXfixes 5.0 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the XFixesGetCursorImage function.
9.3AI Score
0.006EPSS
Integer overflow in X.org libXinerama 1.1.2 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the XineramaQueryScreens function.
9.2AI Score
0.005EPSS
Multiple integer overflows in X.org libXrandr 1.4.0 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) XRRQueryOutputProperty and (2) XRRQueryProviderProperty functions.
9.2AI Score
0.005EPSS
Multiple integer overflows in X.org libXrender 0.9.7 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) XRenderQueryFilters, (2) XRenderQueryFormats, and (3) XRenderQueryPictIndexValues functions.
9.2AI Score
0.007EPSS
Multiple integer overflows in X.org libXRes 1.0.6 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) XResQueryClients and (2) XResQueryClientResources functions.
6.6AI Score
0.005EPSS
Multiple integer overflows in X.org libXv 1.0.7 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) XvQueryPortAttributes, (2) XvListImageFormats, and (3) XvCreateImage function.
9.3AI Score
0.005EPSS
Multiple integer overflows in X.org libXvMC 1.0.7 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) XvMCListSurfaceTypes and (2) XvMCListSubpictureTypes functions.
6.6AI Score
0.005EPSS
Multiple integer overflows in X.org libXxf86dga 1.1.3 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) XDGAQueryModes and (2) XDGASetMode functions.
6.6AI Score
0.004EPSS
Multiple integer overflows in X.org libdmx 1.1.2 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) DMXGetScreenAttributes, (2) DMXGetWindowAttributes, and (3) DMXGetInputAttributes functions.
6.7AI Score
0.005EPSS
Multiple integer overflows in X.org libGLX in Mesa 9.1.1 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) XF86DRIOpenConnection and (2) XF86DRIGetClientDriverName functions.
6.6AI Score
0.011EPSS
Multiple integer overflows in X.org libchromeXvMC and libchromeXvMCPro in openChrome 0.3.2 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) uniDRIOpenConnection and (2) uniDRIGetClientDriverName functions.
6.7AI Score
0.003EPSS
X.org libFS 1.0.4 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to an unexpected sign extension in the FSOpenServer function.
6.7AI Score
0.005EPSS
Multiple buffer overflows in X.org libX11 1.5.99.901 (1.6 RC1) and earlier allow X servers to cause a denial of service (crash) and possibly execute arbitrary code via crafted length or index values to the (1) XAllocColorCells, (2) _XkbReadGetDeviceInfoReply, (3) _XkbReadGeomShapes, (4) _XkbReadGet...
9.5AI Score
0.013EPSS
Buffer overflow in X.org libXvMC 1.0.7 and earlier allows X servers to cause a denial of service (crash) and possibly execute arbitrary code via crafted length or index values to the XvMCGetDRInfo function.
7.6AI Score
0.01EPSS
Multiple buffer overflows in X.org libXxf86dga 1.1.3 and earlier allow X servers to cause a denial of service (crash) and possibly execute arbitrary code via crafted length or index values to the (1) XDGAQueryModes and (2) XDGASetMode functions.
7.5AI Score
0.013EPSS
Buffer overflow in X.org libXxf86vm 1.1.2 and earlier allows X servers to cause a denial of service (crash) and possibly execute arbitrary code via crafted length or index values to the XF86VidModeGetGammaRamp function.
7.5AI Score
0.01EPSS
Buffer overflow in X.org libXt 1.1.3 and earlier allows X servers to cause a denial of service (crash) and possibly execute arbitrary code via crafted length or index values to the _XtResourceConfigurationEH function.
9.5AI Score
0.022EPSS
Integer overflow in X.org libXcursor 1.1.13 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the _XcursorFileHeaderCreate function.
9.2AI Score
0.006EPSS
The (1) GetDatabase and (2) _XimParseStringFile functions in X.org libX11 1.5.99.901 (1.6 RC1) and earlier do not restrict the recursion depth when processing directives to include files, which allows X servers to cause a denial of service (stack consumption) via a crafted file.
8.6AI Score
0.002EPSS
X.org libXt 1.1.3 and earlier does not check the return value of the XGetWindowProperty function, which allows X servers to trigger use of an uninitialized pointer and memory corruption via vectors related to the (1) ReqCleanup, (2) HandleSelectionEvents, (3) ReqTimedOut, (4) HandleNormal, and (5) ...
9.2AI Score
0.007EPSS
Multiple integer overflows in X.org libXp 1.0.1 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) XpGetAttributes, (2) XpGetOneAttribute, (3) XpGetPrinterList, and (4) XpQueryScreens functions.
6.6AI Score
0.004EPSS
Integer overflow in X.org libXtst 1.2.1 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the XRecordGetContext function.
6.6AI Score
0.006EPSS
Integer overflow in X.org libxcb 1.9 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the read_packet function.
9.2AI Score
0.004EPSS
Buffer overflow in X.org libXv 1.0.7 and earlier allows X servers to cause a denial of service (crash) and possibly execute arbitrary code via crafted length or index values to the XvQueryPortAttributes function.
9.5AI Score
0.01EPSS
X.Org xdm 1.1.10, 1.1.11, and possibly other versions, when performing authentication using certain implementations of the crypt API function that can return NULL, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by attempting to log into an account whose pa...
7.2AI Score
0.003EPSS
Use-after-free vulnerability in the doImageText function in dix/dixfonts.c in the xorg-server module before 1.14.4 in X.Org X11 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted ImageText request that triggers memory-alloc...
7.3AI Score
0.029EPSS
Stack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont 1.1 through 1.4.6 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long string in a character name in a BDF font file.
8.1AI Score
0.217EPSS
Multiple integer overflows in the (1) FontFileAddEntry and (2) lexAlias functions in X.Org libXfont before 1.4.8 and 1.4.9x before 1.4.99.901 might allow local users to gain privileges by adding a directory with a large fonts.dir or fonts.alias file to the font path, which triggers a heap-based buf...
6.4AI Score
0.0004EPSS
Multiple buffer overflows in X.Org libXfont before 1.4.8 and 1.4.9x before 1.4.99.901 allow remote font servers to execute arbitrary code via a crafted xfs protocol reply to the (1) _fs_recv_conn_setup, (2) fs_read_open_font, (3) fs_read_query_info, (4) fs_read_extent_info, (5) fs_read_glyphs, (6) ...
7.4AI Score
0.025EPSS
Multiple integer overflows in the (1) fs_get_reply, (2) fs_alloc_glyphs, and (3) fs_read_extent_info functions in X.Org libXfont before 1.4.8 and 1.4.9x before 1.4.99.901 allow remote font servers to execute arbitrary code via a crafted xfs reply, which triggers a buffer overflow.
7.4AI Score
0.024EPSS
Directory traversal vulnerability in tools/backlight_helper.c in X.Org xf86-video-intel 2.99.911 allows remote attackers to create or overwrite arbitrary files via a .. (dot dot) in the interface name.
6.9AI Score
0.01EPSS
The bdfReadProperties function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 allows remote authenticated users to cause a denial of service (out-of-bounds write and crash) or possibly execute arbitrary code via a (1) negative or (2) large property count in a BDF font fil...
7.4AI Score
0.014EPSS
The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 does not properly handle character bitmaps it cannot read, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) and possibly execute arbitrar...
4.8AI Score
0.015EPSS
The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 does not properly perform type conversion for metrics values, which allows remote authenticated users to cause a denial of service (out-of-bounds memory access) and possibly execute arbitrary co...
7.2AI Score
0.013EPSS
_XcursorThemeInherits in library.c in libXcursor before 1.1.15 allows remote attackers to cause denial of service or potentially code execution via a one-byte heap overflow.
9.8CVSS
9.2AI Score
0.046EPSS
Multiple integer overflows in X.org libXtst before 1.2.3 allow remote X servers to trigger out-of-bounds memory access operations by leveraging the lack of range checks.
9.8CVSS
9.2AI Score
0.007EPSS